CONTROL OF VIBRATIONS CAUSED BY BLASTING.ESTEVES JM.1978; LAB. NACION. ENGRIA CIV., MEM.; PRT; DA. 1978; NO 498; PP. 1-11; ABS. POR; BIBL. 5 REF.Serial Issue

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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