01102nas a22004094a 4500 GMR-500 AR-SsjUBGM 20251028230858.0 251021k19471970xxuux g 000 0 eng d spa AR-SsjUBGM aacr eng xxu In-3026 Transactions. New York : Society of Mining Engineers, 1947- v. : il. ; 29 cm Frecuencia irregular En biblioteca años 1947-1970. Explotación 6481 Minería 1372 American Institute of Mining and Metallurgical Engineers. Society of Mining Engineers editor 52715 1947 170-172 1948 174 1958 211 1959 214 1963 226 1964 229 1965 232 1966 235 1967 238 1968 241(1-4) 1969 244(1-4) 1970 247(2,4) CR udc IDGYM_PUPER 2025-09-24 34912 34912 0 0 0 0 GM GM 2026-05-16 1947 170-172 0 In-3026 AUTO-GM-34912-1 2026-05-16 00:00:00 CR 0 0 0 0 GM GM 2026-05-16 1948 174 0 In-3026 AUTO-GM-34912-2 2026-05-16 00:00:00 CR 0 0 0 0 GM GM 2026-05-16 1958 211 0 In-3026 AUTO-GM-34912-3 2026-05-16 00:00:00 CR 0 0 0 0 GM GM 2026-05-16 1959 214 0 In-3026 AUTO-GM-34912-4 2026-05-16 00:00:00 CR 0 0 0 0 GM GM 2026-05-16 1963 226 0 In-3026 AUTO-GM-34912-5 2026-05-16 00:00:00 CR 0 0 0 0 GM GM 2026-05-16 1964 229 0 In-3026 AUTO-GM-34912-6 2026-05-16 00:00:00 CR 0 0 0 0 GM GM 2026-05-16 1965 232 0 In-3026 AUTO-GM-34912-7 2026-05-16 00:00:00 CR 0 0 0 0 GM GM 2026-05-16 1966 235 0 In-3026 AUTO-GM-34912-8 2026-05-16 00:00:00 CR 0 0 0 0 GM GM 2026-05-16 1967 238 0 In-3026 AUTO-GM-34912-9 2026-05-16 00:00:00 CR 0 0 0 0 GM GM 2026-05-16 1968 241(1-4) 0 In-3026 AUTO-GM-34912-10 2026-05-16 00:00:00 CR 0 0 0 0 GM GM 2026-05-16 1969 244(1-4) 0 In-3026 AUTO-GM-34912-11 2026-05-16 00:00:00 CR 0 0 0 0 GM GM 2026-05-16 1970 247(2,4) 0 In-3026 AUTO-GM-34912-12 2026-05-16 00:00:00 CR