TY - BOOK AU - Davis George H. AU - Velikanov A. L. TI - Hydrological problems arising from the development of energy : A preliminary report T2 - Technical papers in hydrology. 17 SN - 923101685 U1 - H4224, L9 PY - 1979/// CY - Paris PB - Unesco France KW - GEOLOGY N1 - A contribution to the international hydrological programme ER -