000 00512nam a2200157Ia 4500
008 220919s2006 xx 000 0 und d
041 _aeng
082 _a333.7
_bAST
100 _aAstHona, D K
_9986248
245 _aA Textbook of Environmental Studies
260 _aNew Delhi
_bS Chand and Company Limited
_c2006
300 _a397p
650 _aENVIRONMENTAL STUDIES (R)
_9986249
700 _aAsthana, Meera
_9986250
906 _aECOSYSTEM SERVICES, NATURAL RESOURCES, FRESHWATER, FOREST WEALTH, CONSERVATION
999 _c668873
_d668873