Metamorphic map of Europe 1:2.500.000. - Gueirard, S.; Zwart, H. J., 1924-2012; Lorenzoni, S.; Ricci, C. A.; Fabriès, J.; Dimitrijević, Milorad, 1926-2009 (The Subcommission for the cartography of the metamorphic belts of the world, 1973)