000			00351nam a2200145Ia 4500
008			220926s9999 xx 000 0 und d
100			_aR.N.TrivEdi
245		0	_aBiotechnology and Environment
250			_a1st Ed
260			_aNew Delhi
260			_bAnmol Publication
260			_c1997
650			_aBiotechnology and Environment
942			_cBK
999			_c18320 _d18320