1. Adams, R., T. A. Geissman, &J. D. Edwards. 1960. Gossypol, a pigment of cottonseed. Chem. Rev.60: 555–574.
2. —,R. C. Morris, T. A. Geissman, D. J. Butterbaugh, &E. C. Kdrkpatbick. 1938. Structure of gossypol. XV. An interpretation of its reactions. J. Amer. Chem. Soc.60: 2193–2204.
3. Adebayo, A. A. 1969. Studies on the diseases ofPrimulas caused byRamularia primulae Thuman andCercosporella primulae Allescher. Ph.D. Thesis, University of Exeter, U.K. 385p.
4. Adityachaudhury, N. &P. K. Gupta. 1970a. Flemichapparin B, a new pterocarpanoid fromFlemingia chappar Ham. Chemy. Ind. 745–746.
5. - & -. 1970b. Flemichapparin C: a new coumestan derivative fromFlemingia chappar Ham. Chemy. Ind. 1113–1114.