00438nam a2200133Ia 4500008004100000082001700041100001700058245003800075260006400113300001500177490007200192600001600264650002400280140224s9999    xx            000 0 und d  a631.416.9 J5  aSwaine, D.J.  aThe trace-element content of soil  aFarnham Royal (UK)bCommonwealth Agricultural Bureauxc1955  aviii,157p.  aCommonwealth Bureau of Soil Science; Technical Communication; no.48  aD.J. Swaine  aTrace Elements-Soil