00520nam a2200169Ia 4500008004100000082001800041100002700059245002700086260002600113300001000139600002700149600002700176650002200203942000700225952010100232999001700333140113s9999    xx            000 0 und d  a631.417  K7.1  a" McLaren, A. Douglas"  aSoil biochemistry v. 1  b"Edward Arnold, 1967"  a509p.  a" Peterson, George H."  a" Peterson, George H."  aBiochemistry-Soil  cBK  00104070aKYMbKYMd2014-01-13l0o631.417  K7.1pKBK2466r2014-01-13 00:00:00w2014-01-13yBK  c63338d63338