000 00370nam a2200145Ia 4500
008 240530s9999 xx 000 0 und d
041 _aEnglish
084 _aS:(G:55)
_bP5
100 _aC Murthy
245 0 _aTextbook of environmental science
260 _aNew Delhi
_bSultan Chand & Sons
_c2005
300 _ap.358
650 _aEnvironmental studies
942 _cBK
999 _c282517
_d282517