1. The principal toxin of Delphinium brownii Rydb., and its mode of action;Aiyar;Experientia,1979
2. Aldous, A.E., 1917. Eradicating tall larkspur on cattle ranges in national forests. USDA Farmers Bull. 826, Washington, DC.
3. The toxicology and pharmacology of diterpenoid alkaloids;Benn,1983
4. Cronin, E.H., Nielsen, D.B., 1979. The ecology and control of rangeland larkspurs. UT. Agr. Exp. Sta. Bull. 499, Utah State University, Logan, UT.