TY  - BOOK
AU  - Pons L T
AU  - Pons, L T
AU  - Zonneveld, I S
AU  - Pons L T
AU  - Zonereld I S
TI  - Soil Ripening and Soil Classification, Publication no. 13
U1  - PON 
CY  - Pune
PB  - ILR
KW  - Soil Classification
ER  -