TY  - BOOK
AU  - x, x
AU  - Bear,Firman E.
TI  - Chemistry of the soil: x
SN  - x
U1  - 631.41/BEC 
PY  - 1968///
CY  - Calcutta
PB  - Oxford & Ibh
KW  - Soils
N1  - x
ER  -