1. aAyer, W. A.; Trifonov, L. S.InThe Alkaloids;Cordell, G. A.; Brossi, A., Eds.Academic Press:New York, 1994; Vol.45, p233and earlier reviews in this series;
2. The Lycopodium alkaloids
3. cKobayashi, J.; Morita, H.InThe Alkaloids;Cordell, G. A., Ed.Academic Press:New York; 2005; Vol.61, p1;
4. The Lycopodium Alkaloids