@book{34599,
	author = {Pettit, George R. and Cragg,Gordon M.},
	title = {Biosynthetic products for cancer chemotherapy :},
	publisher = {Plenum Press,},
	year = {c1985.},
	address = {New York :},
	note = {Vol. <4-6   > have imprint: Amsterdam ; New York : Elsevier.}
}