por Symposium On Biological Roles Of Copper London 1980.
por Prance, Ghillean T, 1937- [editor] | Chadwick, Derek [editor] | Marsh, Joan [colaborador] | Symposium on Ethnobotany and the Search for New Drugs (1993 : Fortaleza, Brazil).
por Symposium On The Economy And Chemistry Of Phosphorus London, Eng. 1977.