000 00412nam a2200181Ia 4500
008 240220s9999 xx 000 0 und d
041 _aENG
100 _aSohal Harvinder S.
245 0 _aEnvironment and biotechnology.
260 _aNULL
260 _bAshish Publishing House
260 _c1994
300 _a217p.
365 _b300
650 _aCIVIL
700 _aSrivastava Ashok K.
942 _cDBK
999 _c22368
_d22368