00445nam a2200193Ia 4500008004100000041001200041082001000053082001100063100001800074100001100092245003700103260001300140260001900153260000900172300001500181365002500196650001300221650001700234150909s9999    xx            000 0 und d  aEnglish  a589.9  bNIE/NI  aNielsen D R    eEditor  aNitrogen in the environment. V 2  aNew York  bAcademic Press  c1978  a528  Pages  aRs.176.00             aBacteria  aBacteriology