00689cam a22002534a 4500 36660 AR-SsjUBGM 20251206161952.0 250720s1919 xxk 000 0 eng d AR-SsjUBGM AR-SsjUBGM eng xxk 553.45 Davies, George M. 40387 Monographs on mineral resources with special reference to the British Empire. London : J.Murray, 1919. 109 p. : il. ; 22 cm Geología económica Recurso minero Libro 14 LB cdu idgym 2004-10-01 36660 36660 0 0 cdu 0 0 GM GM 2025-12-06 Donación - Stubbe, C. 01547 0 553.45 DAV GM01547 2025-12-06 00:00:00 2025-12-06 LB