1. Biernacki, F. 1949. Teoria odwzorowań powierzchni dla geodetów i kartografów: Warsaw, Główny Urząd Pomiarów Kraju, Prace Geodezyjnego Instytutu Naukowo-Badawczego, no. 4. Polish. Translated into English as Theory of representation of surfaces for surveyors and cartographers: U.S. Dept. of Commerce, 1965.
2. Euler, L. 1777. “De Repraesentatione Superficiei Sphaericae Super Plano”, Acta Academiae Scientiarum Imperialis Petropolitanae. Translated into German In: “Drei Abhandlungen uber Kartenprojection”, Ostwald’s Klassiker der exakten Wissenschaften, no. 93, pp. 3–37, Leipzig, Wilhelm Engelmann, 1898. Translated into Polish in: Biernacki 1949. Translated into Russian: “Ob izobrazhenii poverhnosti shara na ploskosti”, Trudy Petersburgskoy akademii nauk za 1777 g., Tom 1, pp. 107–132, in: L. Ejler: Izbrannye kartograficheskhie stat’i, Tri stat’i po matematicheskhoj kartografii, Izdatel’stvo geodezicheskhoj literatury, 1959, Moscow. Translated into English in: Biernacki 1965. Translated into Croatian in: Lapaine 2014.
3. The Instructor Element of GIS Instruction at US Colleges and Universities