Published by Proceedings. R. Soc. Lond., 1976
Pamphlet. Condition: Collectible; Very Good. Prompt shipment, with tracking. we ship in CLEAN SECURE BOXES NEW BOXES collectible, offprint, reprinted from the Proceedings R. Soc. Lond. B. 194, pg. 467-480, (1976) Printed in Great Britain, sm4to.