TY  - BOOK
AU  - R.K. Sivanappan
AU  -  K.R. Karai Gowder  Sivanappan
TI  - Irrigation and drainage
U1  - 631.7 
PY  - 1977///
CY  - Madras
PB  - Popular Book Depot
N1  - R.K. Sivanappan; K.R. Karai Gowder & Sivanappan: Irrigation and drainage.  Madras.  Popular Book Depot, 1977.--(631.7SIV)
ER  -