Seama, F. Diterpenes of flowering plants: Compositae (asteracea) by F.Seama. - New York Springer 1990 - 638p. 23cm. ISBN: 387970584 Subjects--Topical Terms: Diterpenes Angisoperms Angiosperms - Classifications Botanical chemistry; Plant chemotaxonomy. Dewey Class. No.: 583.043 / S46D