Batrachotoxin alkaloids from passerine birds: a second toxic genus (Ifrita kowaldi)v. 97No. 24National Academy of Sciences (U.S.)12970–12975
Dumbacher, John P., Spande, T. F., and Daly, J. W. 2000. "Batrachotoxin alkaloids from passerine birds: a second toxic genus (Ifrita kowaldi)." Proceedings of the National Academy of Sciences of the United States of America, 97, (24) 12970–12975.