TY  - BOOK
AU  - Wright,C.E.
ED  - UNESCO
ED  - PHI. Programa Hidrológico Internacional
TI  - Surface Water and groundwater interaction: a contribution to the hydrological Programme 
SN  - 9231018620
PY  - 1980///
CY  - París
PB  - UNESCO
N1  - Report prepared by the International Commission on Groundwater
ER  -