000			00431nam a2200169Ia 4500
999			_c1105 _d1105
008			180513s9999||||xx |||||||||||||| ||und||
020			_cRs.75 _a81-87134-96-8
040			_aMAIN
041			_aBengali
082			_a363.7 _bPAL
100			_aPal, Ajay
245			_aপরিবেশ বিদ্যা/ _cAjay Pal
260			_bBooks and allyed _aKolkata _c2000
300			_a223p.
650			_aEnvironment Science
942			_cBK