TY  - BOOK
ED  - International Symposium on Land Subsidence, Tokyo 
TI  - Land subsidence : : proceedings of the Tokyo symposium, Sept. 1969. A contribution to the International Hydrological Decade
PY  - 1970///
CY  - Paris : 
PB  - Unesco/ International Association of Scientific Hydrology , 
KW  - Subsidences (Earth movements)
N1  -  English or French
ER  -