00721cam a22002534a 4500003001000000005001700010008004100027020001500068040002500083041000800108044000700116080000800123100001600131245008100147260004800228300002500276490003500301500001100336650003300347650001900380650002900399655001900428700002000447AR-SsjUIB20250716140207.0250429s1974    gw            000 0 eng d  a0878490213  aAR-SsjUIBcAR-SsjUIB0 aeng  agw  a6221 aLama, R. D.10aHandbook on mechanical properties of rocks :btesting techniquesand results.  aAlemania :bTrans Tech Publications,c1974.  a4 v. :bil. ;c23 cm0 aSeries rock and soil mechanics  aLIFBI. 7aExplotación de minas2lemb 7aHandbook2lemb 7aMecánica de roca2lemb 7aLibro2unescot1 aVutukuri, V. S.