TY  - BOOK
AU  - Aubert, H.
TI  - Trace elements in soils
T2  - Development in Soil Science; 7
U1  - 631.416.9 L7 
PY  - 1977///
CY  - Amesterdam
PB  - Elsevier Scientific Publishing
KW  -  H.Aubert and M.Pinta.
KW  - Soil-trace elements
ER  -