TY  - BOOK
AU  - Aubert H
AU  -  Pinta M
TI  - Trace elements in soils
T2  - Developments in soil science; 7
U1  - J:1:(E1), L7 
PY  - 1977///
CY  - Amsterdam
PB  - Elsevier scientific Publishing       
KW  -  Soil
KW  - Agriculture
ER  -