000 00351nam a2200169Ia 4500
008 230706s9999 xx 000 0 und d
082 _a577
082 _bMAT
100 _aMATHUR(Shuchi)
245 0 _aEnvironmental issues
260 _aNew Delhi
260 _bRitu Pub.
260 _c2006
300 _a186
650 _aBiology
942 _cS
999 _c10609
_d10609