kw.\*:("VALHELHAS")
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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
