BibSlavKon: 129 hits for L5648 on page 3

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 L5648 provides 129 hits
21	Geografia lingwistyczna jako metoda badawcza Handke, Kwiryna; Popowska-Taborska, Hanna - Z polskich studiów slawistycznych. Seria 5, Językoznawstwo (1978), 41-47
22	Some Theories of Slavic Linguistic Evolution Abernathy, R. - American Contributions to the Fifth International Congress of Slavists : Sofia, September 1963 (1963), 7-26
23	Les emprunts turcs dans les langues slaves du sud Hämeen-Anttila, V. E. - Scando-Slavica (1963), 227-233
24	Sur quelques problèmes de linguistique balkanique Skok, P. - Księga referatów : II Międzynarodowy zjazd slawistów (filologów słowiańskich). Sekcja I – Językoznawstwo = Recueil des communications : II Congrès international des slavistes (philologues slaves). Section I – Linguistique (1934), 117
25	Projet ďun atlas linguistique slave Meillet, Antoine; Tesnière, Lucien - Sborník prací I. sjezdu slovanských filologů v Praze 1929 (1932), 592-593
26	Projet ďun atlas linguistique yougoslave Skok, Petar - Sborník prací I. sjezdu slovanských filologů v Praze 1929 (1932), 705-707
27	Linguistic Marginalia on Slavic Ethnogenesis Paliga, Sorin - Romanoslavica (2008), 79–99
28	Jargon-Konzeptionen in der slavistischen Linguistik Brehmer, Bernhard - Deutsche Beiträge zum 14. Internationalen Slavistenkongress : Ohrid 2008 (2008), 63–74
29	Slavjanskaja etnofrazeologija: i etnografija, i lingvistika Kovaľ, Uladzimir - Nationales und Internationales in der slawischen Phraseologie = Nacional'noje i internacionaľnoje v slavjanskoj frazeologii : XV Meždunarodnyj s"jezd slavistov 20–27 avgusta 2013 g. Minsk, Belarusʼ (2013), 32–36
30	Zarubežnyje slavisty i Klužskaja lingvističeskaja škola Vinţeler, Onufrie - Romanoslavica (1997), 83-92

Bibliography of International Congresses of Slavists (BibSlavKon)