American Society of Pharmacognosy. Interim Meeting (1994 : San José, Costa Rica)

Intellectual property rights, naturally derived bioactive compounds and resource conservation : proceedings of an international symposium, San Jose, Costa Rica, October 20-22, 1994 / editors, Djaja Djendoel Soejarto, Laurent Rivier ; guest editors, Charlotte Gyllenhaal, Norman R. Farnsworth.