000 00317nam a2200133Ia 4500
008 160316s1972 xxu||||| |||| 00| 0 eng d
020 _a
100 _aM Schnitzer
245 _aHumic Substances In The Environment
250 _a1
260 _aNEW YORK
_bMARCEL DEKKER
_c1972
300 _a328
700 _aS U Khan
_a
999 _c26056
_d26056