Lama, R.D. Handbook on mechanical properties of rocks : Testing techniques and results. - Alemania: [s.n.], 1978. - 406 p. : il. ; 23 cm - Series on rock and soil mechanics . LIFBI. ISBN: O878490221 Subjects--Topical Terms: Explotación de minasHandbookMecánica de roca Index Terms--Genre/Form: Libro Universal Decimal Class. No.: 622