000 00405nam a2200169Ia 4500
008 141004s9999 xx 000 0 und d
040 _ca
041 _aEnglish
082 _a333.72
082 _bNEG/EN
100 _aS.S. Negi
245 _aEnvironmental conservation Vol.5
245 _cS.S. Negi
260 _bBishen Singh Mahendra Pal singh
501 _a3A2
942 _cBK
999 _c172327
_d172327