TY  - BOOK
AU  - JOHANNES JAHNE
TI  - HANDBOOK ON DRAINAGE OF AGRICULTURE LAND SUBSURFACE DRAINAGE
U1  - P631.7J78H 
PY  - 1972///
CY  - NEW DELHI
PB  - WATER MANAGEMENT DIVISION MINISTRY OF AGRICULTURE
KW  - HANDBOOK ON DRAINAGE OF AGRICULTURE LAND SUBSURFACE DRAINAGE
N1  - METROPOLITAN DELHI
ER  -