000 00378nam a2200145Ia 4500
005 20250822020007.0
008 150213s9999 xx 000 0 und d
100 _a"Purohit, S.S & Others"
_9135
245 _aA Text book of Environmental Sciences
250 _a2012
260 _b"Sarswati Pub, Jodhpur"
300 _a574.52 PUR
650 _aEngineering
_9136
942 _2ddc
_cBK
_08
999 _c75
_d75