Winfried Dethlefsen, Michael F. Lynch, Valerie J. Gillet, Geoffrey M. Downs, John D. Holliday, John M. Barnard. Computer storage and retrieval of generic chemical structures in patents. 11. Theoretical aspects of the use of structure languages in a retrieval system. Journal of Chemical Information and Computer Sciences, 31(2):233-253, 1991. [doi]
Abstract is missing.