546,236 COMPANION A Companion to the life sciences / ed. by Stacey B. Day [et al.]. - New York [etc.] : Van Nostrand Reinhold Co., 1979--. - 24 cm Vol. 1. - 1979. - XIX, [4], 455 s., [4] s. tabl. kolor. : il. ISBN 0-442-22010-3