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1.- CONTINUOUS MINING OF SAND AT SAO PAULO, BRAZIL WYDAWNICTWO POLITECHNIKI WROCLLAWSKIEJ; WROCLAW; POL; POLAND, 1998 CONTINUOUS SURFACE MINING Ver registro
2.- O ESTADO DE TENSOES VIRGENS NO MACICO ROCHOSO DA UHE ITA ;THE STATE OF VIRGIN STRESSES AT ITA HYDROELECTRIC POWER PLANT ASSOCIACAO BRASILEIRA DE MECANICA DOS SOLOS; SAO PAULO; BRA; BRAZIL, 2003 Ver registro
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