TY  - BOOK
AU  - G H BOLT,M G M BRUGGENWERT
TI  - SOIL CHEMISTRY A. BASIC ELEMENTS
SN  - 0444414355
U1  - GN 631.41 B 639 
PY  - 1976///
CY  - AMSTERDAM
PB  - ELSEVIER SCIENTIFIC PUBLISHING CO.
KW  - SOIL CHEMISTRY
N1  - MODERN BOOK HOUSE
ER  -