TY  - BOOK
AU  - Esu I.E
TI  - Soil characterization ,classification and survey
SN  - 9789780813734
AV  - S133. A3. 2010 
PY  - 2010///
CY  - Ibadan 
PB  - Hebn publisher
KW  - soil classification
KW  - soil characterization
ER  -