00444nam a2200133Ia 4500008004100000082001700041100002100058245008400079260003800163300001400201490002700215600002000242650004800262140224s9999    xx            000 0 und d  a631.416.8 M5  aVan Loon, Jon C.  aSelected methods of trace metal analysis; biological and environmental samples/  aNew YorkbJohn Wiley & Sonsc1985  axix,357p.  aChemical Analysis v.80  aC. Jon Van Loon  aChemical analysis,Soil science,Trace metals