TY  - BOOK
AU  - M.L. Jackson
TI  - Soil chemical analysis
U1  - 631.41 
PY  - 1958///
CY  - London
PB  - Constable and Co. Ltd
N1  - M.L. Jackson: Soil chemical analysis.  London.  Constable and Co. Ltd, 1958.--(631.41JAC)
ER  -