000 00457nam a2200157Ia 4500
008 220926s2006 xx 000 0 und d
041 _aeng
082 _a333.7
_bAST
100 _a"AstHona, D K"
_9997204
245 _aA Textbook of Environmental Studies
260 _aNew Delhi
_bS Chand and Company Limited
_c2006
300 _a397p
520 _aCirculation Section
650 _aENVIRONMENTAL STUDIES (R)
_9997205
700 _a"Asthana, Meera"
_9997206
999 _c674026
_d674026