00957nam0-22002771i-450-99000537004040332120090819185908.0000537004FED01000537004(Aleph)000537004FED0100053700419990604d1959----km-y0itay50------baengUSa-------00---Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgevolume 103, number 3, June 15, 1959PhiladelphiaAmerican Philosophical Society1959321-529 p.ill.27 cmAmerican Philosophical Society73327ITUNINARICAUNIMARCBK990005370040403321ARCH. S 67 4ARCH 9834FLFBCFLFBCProceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge593335UNINA