TY  - BOOK
AU  - Bolt, G.H., ed.
TI  - Soil chemistry; A. Basic elements
T2  - Developments in soil science, 5A
U1  - 631.41 L8 
PY  - 1978///
CY  - Amsterdam
PB  - Elsevier
KW  -  G.H.Bolt and M.G.M.Bruggenwert.
KW  - Bruggenwert, M.G.M., ed.
KW  - Soil chemistry
ER  -