Trivedi R K Handbook of Environmental Laws, Acts, Guidelines, Compliances and Standards : Vol 1 .-2nd Rev and Fully Updated edn .-81-7800-060-1 - 2nd Rev and Fully Updated edn - BS Publications, Hyderabad, India ISBN: 81-7800-060-1 Dewey Class. No.: G:55/P04.1/B24525