TY - BOOK AU - Walker,C.H. TI - Environmental pollution by chemicals T2 - Hutchinson biological monographs SN - 9780091079918 U1 - 628.5 19 PY - 1971/// CY - London PB - Hutchinson Educational KW - Pollution KW - Chemicals KW - Organic water pollutants N1 - Bibliography: p. 101-102 ER -