BibSlavKon: 846 hits for 12 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 12 provides 846 hits
141	Nekatere paralele v razvoju dvojine v slovenščini in lužiški srbščini Derganc, Aleksandra - Slavistična revija : časopis za jezikoslovje in literarne vede 46 (1998) 1/2, 45-54
142	Indeklinabilität, Semideklinabilität und Flexionsklassen: Russisch und Slowakisch Doleschal, Ursula - Wiener Slavistisches Jahrbuch (1997), 41-52
143	The Dativus Ethicus (DE) in the Slavonic Languages [online] Dufeu,veronica - [1998]
144	Il futuro nelle lingue slave fra tempo e modo Fici Giusti, Francesca - Contributi italiani al XII Congresso internazionale degli slavisti : (Cracovia 26 Agosto - 3 Settembre 1998) (1998), 245-269
145	O paradigme prostranstvennosti v russkom i rumynskom jazykach Fodor, Ecaterina; Vajmberg, Solomon - Romanoslavica (1997), 93-103
146	Voice Relations in Russian and Polish Deverbal Nouns Fowler, George - American Contributions to the Twelfth International Congress of Slavists : Cracow, August - September 1998 : Literature, Linguistics, Poetics (1998), 377-391
147	On Imperfective Accent in Slavic Gladney, Frank Y. - American Contributions to the Twelfth International Congress of Slavists : Cracow, August - September 1998 : Literature, Linguistics, Poetics (1998), 408-420
148	Prädikativität und Deprädizierung Gladrow, Wolfgang - Slavistische Studien zum XII. Internationalen Slavistenkongress in Krakau 1998 (1998), 29-41
149	Elementy aglutynacji i funkcje dodatkowych sufiksów w słowiańskich systemach gramatycznych Gogolewski, Stanisław - Z polskich studiów slawistycznych. Seria 9, Językoznawstwo : prace na XII Międzynarodowy kongres slawistów w Krakowie 1998 (1998), 91-94
150	O programie badań w zakresie porównawczej semantyki leksykalnej Grzegorczykowa, Renata; Waszakowa, Krystyna - Z polskich studiów slawistycznych. Seria 9, Językoznawstwo : prace na XII Międzynarodowy kongres slawistów w Krakowie 1998 (1998), 109-115

Bibliography of International Congresses of Slavists (BibSlavKon)