00520nam a2200157Ia 4500 190328s9999||||xx |||||||||||||| ||und|| 58-5862 NITIL NITIL 21st 591.92 W174L Walford, Lionel A Living resources of sea opportunities for research and expansion: a conservation foundation study Lionel A Walford New York Ronald Press 1958 xv, 321p. Marine scinces; Marine resources; Marine mammals BKS 31109 31109 0 0 DDC 0 0 NITIL NITIL 2019-04-03 0 591.92 W174L 27494 2019-04-03 00:00:00 2019-04-03 BKS