000 00362nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aSmith, F.B., Brown, P.E.
245 _aMethods for determining carbon dioxide production in soils
260 _aIowa
_c1932
300 _a51 p.
440 _aIowa Agricultural Experiment
901 _a21984
942 _cB
_2udc
999 _c3769
_d3769