Cunha,, António Pinto da Tunnel analysis in continuous and discontinuous rock masses / António Pinto da Cunha, LNEC

Tunnel analysis in continuous and discontinuous rock masses / António Pinto da Cunha, LNEC . - Lisboa : LNEC, 1989 . - 16 p. : il. 25 cm . - (Memórias do LNEC; 734))
624.12