TY  - BOOK
AU  - Bolt, G. N.,
TI  - Soil Chemistry : A Basic Elements
SN  - 0444414355
U1  - 631 
PY  - 1976///
CY  - Amsterdam
PB  - Elsevier Scientific Publishing Co.
KW  - Soil Chemistry
KW  - Techniques, equipment & materials
ER  -