000 00417nam a2200169Ia 4500
008 220902s9999 xx 000 0 und d
041 _a  
082 _a333.707.707
082 _bDES
100 _aDESWAL, S.
245 2 _aA BASIC COURSE IN ENVIORNMENTAL STUDIES.
260 _aDELHI
260 _bDHANPAT RAI AND CO.(P) LTD.
650 _a  ENVIRONMENTAL
700 _aDESWAL, A.
942 _cTB
999 _c144483
_d144483