^Frederick Rauscher; Daniel Omar Perez (2012). Kant in Brazil. University Rochester Press. p. 21. ISBN978-1-58046-415-4. ... by the work of Zeljko Loparic, Ricardo Ribeiro Terra, Balthazar Barbosa Filho, Guido A. de Almeida, Valério Rohden, ... as well as at the Universidade de Campinas by the tireless work of Professor Zeljko Loparic, the first president of the ...