000			00319nam a2200133Ia 4500
001			123799
008			170722s9999 xx 000 0 und d
020			_a0582276829
100			_aScragg, Alan
245			_aEnviornmental biotechnology /
260			_aLondon : _bLongman , _c1999.
300			_aViii+249
942			_cGEN
999			_c119602 _d119602