1. Sabin, A, 1969. Control of infectuous diseases. Anti-microb. Agts. Chemother. 1.
2. Perlman, D. 1970. Antibiotics. In “Medicinal Chemistry” (A. Burger, ed.) 3rd. Ed., p. 305. Wiley (Inter-science), New York.
3. Stoessl, A. 1970. Antifungal compounds produced by higher plants. In “Recent Advances in Phytochemistry” (C. Steelink & V.C. Runeckles, eds.) Vol. 3. p. 143. Appleton-Century-Crofts, New York.
4. Burkholder, P.R. & G.M Sharma. 1969. Antimicrobial agents from the sea. Lloydia, 32: 466.
5. Cavallito, C.J. 1951. Antibiotics from plants. In “Médicinal Chemistry”. (C.M. Suter, ed.) Vol. 1, p. 222. Wiley, New York.