Tiller, K. G. Sampling and analysis errors in the estimation of cooper, cadmium, zinc and lead in surface soils - (s.l.) : CSIRO. Div. of Soils, 1975 - 7 p. - Divisional report ; 3/1975 . - Divisional report ; 3/1975 . LCCN: 46667 Subjects--Topical Terms: Suelos--AnĂ¡lisis.Suelos--Cadmio en.Suelos--Cobre en.Suelos--Elementos minerales.Suelos--Plomo en.Suelos--Zinc en.