000 00493nam a2200169Ia 4500
008 170901s1976 xx 000 0 und d
020 _a0250401150
082 _a631.41
_bG39P
100 _aGjessing, Egil T.
245 0 _aPhysical and Chemical Characteristics of Aquatic Humus
260 _aMichigan
_bAnn Arbor Science
_c1976
300 _a120
650 _aAgriculture and related technologies
650 _aTechnology (Applied sciences)
653 _aSoil chemistry
942 _2ddc
_cBK
999 _c13299
_d13299