Patnaik Pradyot Handbook of environmental analysis Chemical poll - London Lewis Publishers United Kingdom 1997 - 584p. Bib p. 439-40 Appendix p. 443-533 cm. ISBN: 4407.50 Source: 2197/DM205.00, 05/04/2000, Elite General Book Subjects--Topical Terms: Geography - Environment Dewey Class. No.: U:(G:55), N7