Author Description

1. R. Carlson, A. Nordahl: Exploring Organic Synthetic Experimental Procedures 2. S.J. Cyvin, B.N. Cyvin, J. Brunvoll: Enumeration of Benzenoid Chemical Isomers with a Study of Constant-Isomer Series 3. E.Hladka, J. Koca, M. Kratochvil, V. Kvasnicka, L. Matyska, J. Pospichal, V. Potucek: The Synthon Model and the Program PEGAS for Computer AssistedOrganic Synthesis 4. K. Bley, B. Gruber, M. Knauer, N. Stein, I. Ugi: New Elements in the Representation of the Logical Structure of Chemistry byQualitative Mathematical Models and Corresponding Data Structures