Recent developments in the chemistry of natural phenolic compounds : proceedings of the Plant Phenolics Group symposium / edited by W. D. Ollis. Chemistry of natural phenolic compounds. Phytochemical Group. Ollis, W. David, ed. Botanical chemistry. Phenols. QK898.P57 P52 547.7 OLR Includes bibliographical references and index. Oxford ; New York : Symposium Publication Division, Pergamon Press, 1961. 1961. 1961 Text viii, 237 p., [ 1 ] leaf of plates : eng