Bibliography of the Czech Linguistics (BibCzechLing)

The "Bibliography of the Czech Linguistics (BibCzechLing)" is provided by the Institute of the Czech Language of the Academy of Sciences of the Czech Republic (Ústav pro jazyk český AV). The database contains about 73.280 records and covers the period from 1992 till 2018. The list of subjects is located here.

Your search for substrát provides 2 hits
1	O leksike slavenskoga supstrata u Austriji 2. Pregled o gradi Holzer, Georg, in: Folia onomastica Croatica (Zagreb), 11, 2002, s. 95-102
2	The ' trichotomical' character of Proto-Slavic and the long-debated issue of the oldest Slavic borrowing in Romanian Paliga, Sorin, in: Theory and Empiricism in Slavonic Diachronic Linguistics [ThEmpSl], Praha, Nakl. Lidové noviny ; 2012, s. 347-363.

Bibliography of the Czech Linguistics (BibCzechLing)

O leksike slavenskoga supstrata u Austriji 2. Pregled o gradi

The ' trichotomical' character of Proto-Slavic and the long-debated issue of the oldest Slavic borrowing in Romanian