https://bibliotecas.ipb.pt/cgi-bin/koha/opac-search.pl?q=ccl=au%3ANorman%20A.%20Sprinthall%2C%20Richard%20C.%20Sprinthall%20and%20available&format=rss2 Search results for 'au:Norman A. Sprinthall, Richard C. Sprinthall and available' at Bibliotecas do IPB 0 20