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1968
Bieger, D., H. - D. Ehrich, and O. Wassermann, "Ein ALGOL-Programm zur rechnerischen Trennung nahe benachbarter Ionisationskonstanten nach Britton", Arzneim.-Forsch. (Drug Res.), vol. 18: Editio Cantor KG, pp. 373-377 , 1968. Abstract  Download: 1968DrugResearch.pdf (450.68 KB)
1970
Ehrich, H. - D., "Über eine Reduktionsmöglichkeit gewisser Überdeckungsprobleme", Automatentheorie und Formale Sprachen, Bericht Nr. 3 einer Tagung des Mathematischen Forschungsinstituts Oberwolfach, Oktober 1969: Bibliographisches Institut Mannheim, 1970. Abstract  Download: 1970MFO3.pdf (725.62 KB)
1972
Ehrich, H. - D., "A Note on State Minimization of a Special Class of lncomplete Sequential Machines", IEEE Transactions on Computers, vol. C-21, No. 5: The Institute of Electrical and Electronics Engineers, Inc., pp. 500-502, 1972. Abstract  Download: 1972IEEE-C-21.pdf (144.06 KB)
1973
Ehrich, H. - D., "Datenstrukturen und Q-Systeme - eine Mathematische Studie", Proc. 3. Jahrestagung der GI: Springer, LNCS 1, pp363-371, 1973. Abstract  Download: 1973GIJahrestagung.pdf (834.06 KB)
Ehrich, H. - D., "Minimale und rn-minimale Variablenmengen für partielle Boole'sche Funktionen", Acta Informatica, vol. 2: Springer, pp. 172-179, 1973. Abstract  Download: 1973Acta.pdf (273.93 KB)
1974
Ehrich, H. - D., "Theory of Direct-Access Storage Functions", Proc. IFIP'74 Congress, pp 647-651: North-Holland, 1974. Abstract  Download: 1974IFIP.pdf (217.89 KB)
1975
Ehrich, H. - D., "Grundlagen einer Theorie der Datenstrukturen und Zugriffssysteme. Teil I: Datenstrukturen und Schemata", Acta Informatica, vol. 4: Springer, pp. 201-211, 1975. Abstract  Download: 1975Acta1.pdf (409.11 KB)
Ehrich, H. - D., "Grundlagen einer Theorie der Datenstrukturen und Zugriffssysteme. Teil II: Zugriffssysteme", Acta Informatica, vol. 4: Springer, pp. 299-310, 1975. Abstract  Download: 1975Acta2.pdf (425.6 KB)
1976
Ehrich, H. - D., "An Axiomatic Approach to Information Structures", Proc. 5th MFCS: Springer, LNCS 45, pp 277-283, 1976. Abstract  Download: 1976MFCS.pdf (364.21 KB)
Ehrich, H. - D., "Ein axiomatischer Ansatz für eine Algebra strukturierter Objekte", Graphensprachen und Algorithmen auf Graphen: Hanser, Appl. Comp. Sc. 1, pages 143–161, 1976. Abstract  Download: 1976Graphen1.pdf (522.3 KB)
Ehrich, H. - D., "Eine Mathematische Semantik für die Beschreibung von Datenstrukturen", Graphen, Algorithmen, Datenstrukturen: Hanser Appl Comp. Sc. 4, pp 53-64, 1976. Abstract  Download: 1976Graphen2.pdf (716.42 KB)
Ehrich, H. - D., and J. W. Lipski, "On the Storage Space Requirement of Consecutive Retrieval with Redundancy", Information Processing Letters, vol. 4 (4), pp. 101-104, 1976.  Download: 1976ConsecRetrieval.pdf (168.16 KB)
Ehrich, H. - D., "Outline of an Algebraic Theory of Structured Objects", Proc. 3rd ICALP, pages 508-530: Edinburgh University Press, 1976. Abstract  Download: 1976EdinBurgh.pdf (966.41 KB)
1977
Ehrich, H. - D., "Algebraic Semantics of Type Definitions and Structured Variables", Proc. FCT’77: Springer LNCS 56, 1977. Abstract  Download: 1977FCT.pdf (283.25 KB)
1978
Ehrich, H. - D., "Algebraische Spezifikation von Datenstrukturen", Datenstrukturen, Graphen, Algorithmen.: Hanser Appl. Comp. Sc. 8, pp 48-61, 1978. Abstract  Download: 1978Graphen3.pdf (419.04 KB)
Ehrich, H. - D., and V. G. Lohberger, "Constructing Specifications of Abstract Data Types by Replacements", Proc. Int. Colloquium on Graph Grammars: Springer LNCS 73, pp 180-191, 1978. Abstract  Download: 1978SpecReplace.pdf (214.4 KB)
Ehrich, H. - D., "Extensions and Implementations of Abstract Data Type Specifications", Proc. 7th MFCS: Springer LNCS 64, pages 155–164, 1978. Abstract  Download: 1978MFCS.pdf (217.71 KB)
1979
Ehrich, H. - D., and V. G. Lohberger, "Parametrie Specification of Abstract Data Types, Parameter Substitution, and Graph Replacements", Proceedings of the Workshop on "Graphentheoretische Konzepte in der Informatik": Hanser-Verlag, 1979. Abstract  Download: 1979Graphen4.pdf (792.42 KB)
1980
Ehrich, H. - D., "Proving Implementations Correct - Two Alternative Approaches", IFIP Congress 1980: North-Holland Publ. Comp., 1980. Abstract  Download: 1980IFIP.pdf (384.86 KB)
Ehrich, H. - D., "Zur Theorie abstrakter Datentypen", Wiss. Z. Techn. Univ. Dresden, vol. 29,2, pp. 344-346, 1980.  Download: 1980Dresden.pdf (326.3 KB)
1981
Ehrich, H. - D., "Implicit Specification by Algebraic Domain Equations", EATCS Bulletin, vol. 13, pp. 45-51, 1981.  Download: 1981EATCS.pdf (341.1 KB)
Ehrich, H. - D., "Specifying algebraic data types by domain equations", FCT: Springer LNCS 117, 1981. Abstract  Download: 1981FCT-ADE.pdf (485.92 KB)
Ehrich, H. - D., "On Realization and Implementation", MFCS: Springer LNCS 118, 1981. Abstract  Download: 1981MFCS.pdf (167.47 KB)
1982
Drosten, K., M. Gogolla, H. - D. Ehrich, and U. Lipeck, "A Hierarchical Approach to an Operational Semantics for Conditional Algebraic Specifications", Berichte der Abteilung Informatik, vol. 144: Universität Dortmund, 1982. Abstract
Ehrich, H. - D., "On the Theory of Specification, Implementation and Parameterization of Abstract Data Types", Journal of the ACM, vol. 29, pp. 206-227, 1982. Abstract  Download: 1982JACM.pdf (449.29 KB)
1983
Gogolla, M., Algebraic Specifications with Partially Ordered Sorts and Declarations, , no. 169: Abt1 Informatik, Universität Dortmund, 1983. Abstract
Gogolla, M., K. Drosten, U. Lipeck, and H. - D. Ehrich, "Algebraic and operational semantics of exceptions and errors", Proc. 6. GI-Fachtagung für Theoretische Informatik: Springer LNCS 145, 1983. Abstract  Download: 1983ExceptErrors.pdf (198.63 KB)
Ehrich, H. - D., and U. Lipeck, "Algebraic domain equations", Theoretical Computer Science, vol. 27, pp. 167-196, 1983. Abstract  Download: 1983TCS-ADE.pdf (951.11 KB)
Gogolla, M., and H. - D. Ehrich, "Algebraic Specifications with Subsorts Using Declarations", EATCS Bulletin, vol. 21, pp. 31-38, 1983. Abstract  Download: 1983EATCSBull.pdf (93.61 KB)
Engels, G., U. Pletat, and H. - D. Ehrich, "An operational semantics for specification of abstract data types with error handling", Acta Informatica, vol. 19: Springer, pp. 235-253, 1983. Abstract  Download: 1983Acta.pdf (667.18 KB)
Durchholz, R., and H. - D. Ehrich, "Proceedings", Workshop on Information and Data Structure Description, München, Bericht der GMD Nr. 139, 1983. Abstract
1984
Neumann, K., and I. Ramm, Lastabhängige Änderungen am internen Schema von relationalen Datenbanken, : Technische Universität Braunschweig, 1984. Abstract
Gogolla, M., Partially Ordered Sorts in Algebraic Specifications, , 1984. Abstract
Gogolla, M., K. Drosten, U. W. Lipeck, and H. - D. Ehrich, "Algebraic and Operational Semantics of Specifications allowing Exceptions and Errors", Theoretical Computer Science, vol. 34, 1984. Abstract  Download: 1984TCS-ExcErr.pdf (728.49 KB)
Ehrich, H. - D., and (ed), "Proceedings", GI – 14. Jahrestagung, Braunschweig, Informatik-Fachberichte Nr. 88, Springer, 1984. Abstract