GEOTECHNICAL STUDIES OF THE FOUNDATION ROCK MASS OF VALHELHAS DAM (PORTUGAL).OLIVEIRA R; ESTEVES JM; RODRIGUES LF et al.1974; IN: INT. ASSOC. ENG. GEOL. PROC. 2ND INT. CONGR.; SAO PAULO; 1974; SAO PAULO ASSOC. BRAS. GEOL. ENG.,1974, VOL. 2, P. 1 A 9Miscellaneous

GEOTECHNICAL STUDIES OF THE FONDATION ROCK MASS OF VALHELHAS DAM (PORTUGAL).OLIVEIRA R; ESTEVES JM; FIALHO RODRIGUES L et al.1975; LAB. NACION. ENGRIA CIV., MEM.; PORTUG.; 1975, NUM. 0463, P. 1 A 9Serial Issue