American men and women of science : formerly American men of science : a biographical directory founded in 1906 / ed. by the Jaques Cattell press. - 12th ed.. - New York ; London : Jaques Cattell press, Bowker comp., 1971-1972. - 28 cm.см.[MFN: 23578]

Vol. 4 : L-O : The physical and biological sciences. - 1972. - xi, p. 3497-4730. - ISBN 0-8352-0503-7[MFN: 23582]

UDC: 929(73) + 53(73)(092) + 57(73)(092)](031)

E 24.300/4 = 929(73)/A-47 - Reference and Bibliographic Division