TY - BOOK ED - International conference on hydrologie des roches fisswress hydrology of fractured rocks (1965 : Dubrokink) TI - Proceeding on hydrologie des roches fisswress hydrology of fractured rocks U1 - H422p1:N66, K7.2 PY - 1967/// KW - Precambrian KW - Stratigraphy KW - Geology ER -