00640cam a22002414a 4500 AR-SsjUIB 20250710155208.0 250429s1971 gw 000 0 eng d 3540050566 AR-SsjUIB AR-SsjUIB eng gw 622 Bogdandy, L.Von 16997 The reduction of iron ores : scientifics basic and technology. Berlín : Springer-Verlag, 1971. Minería lemb 1372 Libro unescot 14 Engell, H.J. 16998 LB cdu dbfi 1998-10-29 13498 13498 0 0 cdu 0 0 ING ING 2025-07-10 Compra ING.679 0 622 BOG L.B.G. ING.679 2025-07-10 00:00:00 1 2025-07-10 LB