Quantitative characterization of the geometric parameters of jointing in rock masses / António Ferreira da Silveira... [et al.], LNEC

Quantitative characterization of the geometric parameters of jointing in rock masses / António Ferreira da Silveira... [et al.], LNEC . - Lisboa : LNEC, 1969 . - 13 p. : il. 30 cm . - (Memória; 330))
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