@book { TextsandstudiesonRussianuniversalgrammar18061812, title = "Texts and studies on Russian universal grammar 1806 - 1812", subtitle = "Teil 2. The universal grammars of I. Rižskij, Char'kov 1806, N. Jazvickij, SPb. 1810. I. Timkovskij, Char'kov 1811. L.G. Jakob, SPb. 1812", author = "Johann {Biedermann} and Gerd {Freidhof}", year = "1984", publisher = "Biblion", address = ", Germany", doi = "10.3726/b13164", url = "https://www.peterlang.com/document/1073529" }