TY  - BOOK
AU  - John, N. A. and Vyas, V. S.
AU  - Vyas, V. S. ; jt. auth.
TI  - Conditions of stability and growth in arid agriculture
U1  - 338.109544 
PY  - 1969///
CY  - Vallabh Vidyanagar
PB  - Sardar Patel University
ER  -