TY  - BOOK
ED  - Soil conservation science                                                                                                                                                                                                                                      . 
TI  - Drainage of agricultural land: A practical hand book for the planning design construction and maintenanace of agricultural drainage system / 
U1  - 631.5872 
PY  - 1990///
CY  - Jodhpur : 
PB  - Scientific Publishers , 
ER  -