00309nam a2200097Ia 4500008004100000082005100041100002800092245004800120260003500168300000800203140113s9999    xx            000 0 und d  a"631.416.9:577.17""1974.11.5/6""(082.2)    L5"  a"Nicholas, D.J.D., ed."  aTrace Elements in Soil-Plant animal systems  a1975bAcademic PresscNew York  a417