000			00482nam a2200193Ia 4500
008			220902s9999 xx 000 0 und d
041			_a  ENGLISH
082			_a333.707.707
082			_bDES
100			_aDESWAL, S.
245		2	_aA BASIC COURSE IN ENVIORNMENTAL STUDIES.
250			_a2nd rev. ed.
250			_b2013
260			_aDELHI
260			_bDHANPAT RAI AND CO.(P) LTD.
650			_a  ENVIRONMENTAL STUDIES
700			_aDESWAL, A.
942			_cTB
999			_c150695 _d150695