@book{34476,
	author = {Pettit, George R.},
	title = {Biosynthetic products for cancer chemotherapy /},
	publisher = {Plenum Press,},
	year = {c1977-<1989   >},
	address = {New York :},
	note = {Vol. <4-6   > have imprint: Amsterdam ; New York : Elsevier.}
}