Metode petrografskih analiza kamenih ugljeva i antracita - Deo 4: Određivanje sastava mikrolitotipova, karbominerita i minerita (identičan sa ISO 7404-4:1988)
Methods for the petrographic analysis of bituminous coal and anthracite — Part 4: Method of determining microlithotype, carbominerite and minerite composition