00493nam a22001577a 450000100060000000300100000600500170001604000140003300800410004702000180008811000680010624500830017426000420025730000100029965000260030915581MX-SIABUC20260702204729.0  aMX-SIABUC050528s1975    sz x   j            eng d  a92-2-101306-5 2aInternational Labour Organisation (9a. : 1975 : Ginebra, Suiza)0 aGeneral report : recent events and developments in the iron and steel industry4 aGeneva :bInternational Labour Office4 a82 p.  a1.DERECHO DEL TRABAJO