TY  - BOOK
AU  - Rijtema P E Ed.
AU  -  Wassink H Ed.
ED  - International conference on water in the unsaturated zone (1969 : Wegeningen)
TI  - Proceeding on water in the unsaturated zone
U1  - H422p1:N68, K9.1 
PY  - 1969///
KW  -  Precambrian
KW  -  Stratigraphy
KW  - Geology
ER  -