000 00364nam a2200157Ia 4500
008 180424s9999 xx 000 0 und d
084 _a574.58 W2
100 _a"Enviroscope, "
245 0 _aEnergy
250 _a\\020000ENGGPSX
260 _aOxford and IBH
260 _b200
260 _cNew Delhi
500 _aincludes index and biblioraphy
942 _cBK
999 _c64131
_d64131