Bulgarian-German scientific cooperation: past, present, and future proceedings of the Humboldt-Kolleg, Sofia, November 26-28, 2015 - Pajeva, Ilza; Argirova, Radka; Băčvarov, Krum 1968-; Boteva-Bojanova, Diljana ca. 20./21. Jh; Burneva, Nikolina 1954- (Faber Publishing House, 2016)