BibSlavKon: 110 hits for B1546 on page 11

The Bibliography of International Congresses of Slavists (1929-2018) was converted from thirteen printed volumes into a database in cooperation with the Slavonic Library in Prague (Slovanská knihovna Praha) and contains 8550 records. Since 2008 the Bibliography appear only in electronic form and will be updated in five-year interval according to the next Congresses of Slavists. The further information can be found here. The overview of the classification can be found: here.

Your search for B1546 provides 110 hits
101	Slovenski refleksi ilirskih glasova i razlike između balkansko-ilirskog i venetskog jezika Mayer, Antun - Saopštenja i referati : III međunarodni kongres slavista (slovenskih filologa) : 18.–25.IX.1939 = Communications et rapports : IIIème congrès international des slavistes (philologues slaves) (1939), 43-44
102	Niektoré ohlasy byzantsko-balkánskych a slovanských tradícií na ikonách východného Slovenska 15.–18. storočia Grešlík, Vladislav - XIV. medzinárodný zjazd slavistov v Ochride : príspevky slovenských slavistov (2008), 145–166
103	Integracionnata rolja na literaturnite vrăzki i nejnoto otraženie v rusko-balkanskite literaturni vzaimootnošenija prez XVIII-XIX vek Konev, I. - Slavjanska filologija (1983), 203-212
104	Njakoi momenti ot razselvaneto na slavjanskite plemena ot iztočnija djal na južnite slavjani i ustanovjaneto im na Balkanskija poluostrov Cankova-Petkova, G. - Slavjanska filologija (1973), 33-42
105	Dynamika konstantnoho vyrazu ukrajins’koho ta balkano-slov´jans’koho pochovaľnoho plaču – vid foľklornoji improvizaciji do pys’movoho tekstu Mykytenko, Oksana - XIII Mižnarodnyj z’jizd slavistiv : (Ljubljana, Slovenija 15–21 serpnja 2003 r.) : mystectvoznavstvo, foľklorystyka ta etnolohija slov’jans’kych narodiv : dopovidi (2003), 149–195
106	Toward a Reconstruction of the Relations between Folklore and Religion in the Balkans during the Middle Ages : (on the Basis of the Ballad „The Immured Wife“) Parpulova-Gribble, Lyubomira - American Contributions to the Tenth International Congress of Slavists : Sofia, September 1988 : Literature (1988), 319-332
107	Possible Comparisons of Balkan and North-West European Linguistic Community, with Reference to System-Reduction Method of Quantification Ellis, J. - Slavjanska filologija : materiali za V Meždunaroden kongres na slavistite (1963), 291-299
108	Etnopoetyka obrjadovoho tekstu jak čynnyk entytetu foľklornoji tradyciji : (na materiali ukrajins’kych ta balkanoslov`jans’kych pochovaľnych plačiv) Mykytenko, Oksana - Slov`jans’ki obriji (2008), 399–418
109	Ošte po văprosa za futurum praeteriti (bădešte v minaloto), t.nar. „kondicional ot balkanski tip“ v bălgarskija ezik : nabljudenija nad modalnata mu semantika v săvremennija knižoven ezik Panteleeva, Christina - Ezik i literatura : spisanie za bălgarska i slavjanska filologija : organ na Săjuza na filolozite bălgaristi 47 (1992) 1, 81-92
110	Substanciaľno-funkcionaľnaja teorija balkanskogo jazykovogo sojuza i slavjanskije jazyki : doklad : XIV Meždunarodnyj s“jezd slavistov (Ochrid, Makedonija, 10–16 sentjabrja 2008 g.) Rusakov, Aleksandr Jurʼjevič; Sobolev, Andrej Nikolajevič - 2008, 40 s.

Bibliography of International Congresses of Slavists (BibSlavKon)