TY  - BOOK
AU  - UPPAL, H.L
TI  - Research work carried out under emeritus scientists scheme(ICAR) ; annual report for the period ending November,1971
U1  - 631.7 U-5R 
PY  - 1971///
PB  - Ludhiana
KW  - IRRIGATION
KW  - AGRICULTURAL ENGINEERING
ER  -