00558cam a22001814a 4500003001000000005001700010008004100027020001500068040002500083041000800108044000800116080001000124110002900134245014700163260002600310650002100336655001900357AR-SsjUIB20250710145455.0250429s1971    xxk           000 0 fre d  a0900497262  aAR-SsjUIBcAR-SsjUIB0 afre  axxk  a669.12 aThe Iron Steel Institute10aAlternativo routes to steel :bproceedings of the reeting helf after the annual general necting of the iron and steel Institute at the Hilton.  aLondon :bISI,c1971. 7aSiderurgia2lemb 7aLibro2unescot