BibSlavKon: 697 hits for 13 on page 15

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 Volume 13 provides 697 hits
141	Flexivischer und derivativer Verbalaspekt im Moliseslavischen Breu, Walter - Funktionale Beschreibung slavischer Sprachen : Beiträge zum XIII. Internationalen Slavistenkongress in Ljubljana (2003), 63–81
142	Moldavskaja antroponimija slavjanskogo proischoždenija : (konec XVIII – načalo XIX vv.) Burci, Iustina - Romanoslavica (2002), 87–92
143	Leksykalne innowacje w różnych kategoriach nazw własnych Cieślikowa, Aleksandra - Z polskich studiów slawistycznych. Seria 10, Językoznawstwo : prace na XIII Międzynarodowy kongres slawistów w Lublanie 2003 (2002), 33–39
144	A typology of Suppletion : the Evidence from Slavonic Corbett, Greville G. - 13th International Congress of Slavists [online] (2003), 21 s.
145	Trans- a intertextovost v kontextu regionálním a dobovém Čechová, Marie - Česká slavistika 2003 : české přednášky pro XIII. mezinárodní kongres slavistů, Ljubljana 15.–21.8.2003 (2003), 47–57
146	Temporaľni formy slovens’koho dijeslova i serbs’ko-chorvats’ko-schidnoslov ´jans’kyj hramatyčnyj kontekst Čumak, Volodymyr - Movoznavstvo : naukovo-teoretyčnyj žurnal Instytutu movoznavstva im. O.O. Potebni ta Ukrajins’koho movno-informacijnoho fondu NAN Ukrajiny (2003) 2/3, 151–157
147	Vklad kalek v formirovanije frazeologii slavjanskich jazykov Damborský, Jiří - Slavia : časopis pro slovanskou filologii 72 (2003) 2, 230
148	Nekatere razlike v rabi dovršnega oz. nedovršnega vida v ruščini in slovenščini Derganc, Aleksandra - Slavistična revija : časopis za jezikoslovje in literarne vede 51 (2003) Posebna številka, 67–79
149	Strukturni tipove săstavni bălgarski ojkonimi v săpostavka săs zapadnoslavjanski ojkonimi : (prinos kăm slavjanskija onomastičen atlas) Dimitrova-Todorova, Liljana - Bălgarski ezik : organ na Instituta za bălgarski ezik pri Bălgarskata akademija na naukite 50 (2003) 2/3, 48–55
150	The Implementation of Aspect in Russian and Finnish : Similarities and Differences Dingley, John - Canadian Slavonic Papers : an Interdisciplinary Journal Devoted to Central and Eastern Europe 45 (2003) 1/2, 1–10

Bibliography of International Congresses of Slavists (BibSlavKon)