00354nam a2200133Ia 4500008004100000082001800041100002200059245002700081260002600108300001000134600002700144600002700171650002200198140113s9999    xx            000 0 und d  a631.417  L5.4  a"    Paul, E. A."  aSoil biochemistry v. 4  b"Marcel Dekker, 1975"  a277p.  a" McLaren, A. Douglas"  a" McLaren, A. Douglas"  aBiochemistry-Soil