00442nam a2200133Ia 4500008004100000082002200041100003300063245004000096260003500136300000800171942000700179952010500186999001700291140113s9999    xx            000 0 und d  a631.417.2:54   L2  a"Sehnitzer, M. & Khan, S.V."  aHumic Substances in the environment  a1972bMarcell DekkercNew York  a327  cBK  00104070aVTLbVTLd2014-01-13l0o631.417.2:54   L2pVBK2055r2014-01-13 00:00:00w2014-01-13yBK  c58734d58734