TY - BOOK AU - Gupta, S.P. Das, ed. AU - Mukherjee, Sushil Kumar, fore. TI - Environmental issues for the 21st century SN - 81 7099 873 5 U1 - 333.7 21st PY - 2003/// CY - New Delhi PB - Mittal Pub. KW - ENVIRONMENT; ENVIRONMENTAL ECONOMICS ER -