Water in the unsaturated zone : proceedings of the Wageningen Symposium /
edited by P. E. Rijtema and H. Wassink.
- Gentbrugge : IASH/AIHS-Unesco, c 1969.
- Vols. ; ill. ; 24 cm.
- Studies and reports in hydrology- 2. .
V. 1-- ;
344 344
International Hydro logical Decade, 1965-1974 -- Congresses.
Hydrology -- Congresses.
333.91 / I8w
V. 1-- ;
344 344
International Hydro logical Decade, 1965-1974 -- Congresses.
Hydrology -- Congresses.
333.91 / I8w