TY  - BOOK
AU  - Bolt, G.H., ed.
TI  - Soil chemistry; a basic elements
T2  - Development in Soil Science; 54
U1  - 631.4 L6,L8 
PY  - 1976///
CY  - Amsterdam
PB  - Elsevier
KW  -  G.H.Bolt and M.G.M.Bruggenwert.
KW  - Bruggenwert, M.G.M., joint ed.
KW  - Soil chemistry
ER  -