2002 journal article
Characterization and toxicity of Amanita cokeri extract
Journal of Chemical Ecology, 28(2), 333–341.
By: D. Drehmel & W. Chilton
2001 journal article
Cyclopropyl amino acids of Amanita
Biochemical Systematics and Ecology, 29(8), 853–855.
By: W. Chilton & D. Drehmel