000			00366nam a2200145Ia 4500
008			230914s2008||||xx |||||||||||||| ||und||
100			_aDeswal, S.
245		2	_aA Basic Course in Environmental Studies
250			_aI Rev.
260			_aNew Delhi _bDhanpat Roy & Co. _c2008
300			_a7.36
650			_aEnviornmental Studies
700			_aDeswal, A.
942			_cBK
999			_c25 _d25