00717cam a2200253 4500 1246804 BD-DhUL 20160529193747.0 720731s1971 enkab b 001 0 eng 0713415754 DLC DLC DLC BD-DhUL 339.49 SAC Jackson, Olive. Conservation and pollution / Olive Jackson. London : Batsford, 1971. 96 p.: illus., map.; 26 cm. £1.20 World wide series Includes bibliographical references. Pollution. Nature Effect of human beings on. Conservation of natural resources. ddc BK 72005 72005 0 0 ddc 0 339_490000000000000_SAC 0 NFIC 122484 DUL DUL GEN 1978-02-02 Purchased 339.49 SAC A152062 2016-05-29 2016-05-29 BK