1
Software Development in Chemistry 5 [E-Book] : Proceedings of the 5th Workshop “Computers in Chemistry Oldenburg, November 21–23, 1990 /
2
Chemical Structures 2 [E-Book] : The International Language of Chemistry Proceedings of The Second International Conference, Leeuwenhorst Congress Center, Noordwijkerhout, The Netherlands, 3rd June to 7th June 1990 /