INTERNATIONALSTANDARDISO3139-1976/Al-1980Published1980-03-15INTERNATIONALORGANIZATIONFORSTANDARDIZATIONlMEXAYHAPOAHAflOPl-AHM3AUMI...
INTERNATIONALSTANDARDIS01992/3-1973/AMENDMENT1Published1980-08-01INTERNATIONALORGANIZATIONFORSTANDARDIZATIONlMEX&'HAPOflHAJlOPTAHM...
INTERNATIONALSTANDARDISO1833-1977lAl-1980(ElPublished1980-09-01INTERNATIONALORGANIZATIONFORSTANDARDIZATION.MEIK1(CZYHAPO~HAROPTAHM...
