000			00335nam a2200133Ia 4500
008			140317s9999 xx 000 0 und d
082			_a660.6
100			_aDasilva
245			_aMicrobial technology in the developing world.
260			_aOxford _bOUP _c1966
300			_a444
650			_aChemical , Related Tech.
942			_2ddc _cBK
999			_c12023 _d12023