TY  - BOOK
AU  - Ramanna, T R  .
AU  - Ajay Kumar,Duggal  .
AU  - Krishnamurthy,S  .
TI  - Soil sampling and testing / 
U1  - 028.72631 
PY  - 1986///
CY  - Chandigarh : 
PB  - Technical Teacher Training Institute , 
ER  -