000			00656nam a2200193Ia 4500
008			160601s9999 xx 000 0 und d
020			_a8176480401
100			_aTrivedi, P R _968527
245			_aEncyclopaedia of world environment
260			_aNew Delhi
260			_bA P H publishing corporation
260			_c1999
300			_a5V, (vi, 1697p.); 22cm.
500			_aContents : V.1 Ecology - V.2 Environment - V.3 Wild life - V.4 Pollution - V.5 Basic environment laws
650			_aBio resources _968528
650			_aEncyclopaedia - environmental pollution _968529
650			_aEnvironmental health _96878
650			_aPolitical ecology _910308
999			_c23516 _d23516