000 00301nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aGorrod (John W) Ed
245 0 _aBiological oxidation of nitrogen
260 _b"North Holland, Netherland"
260 _c1978
365 _b143.00
942 _cBK
999 _c203502
_d203502