https://biblioteca.fldm.edu.mx/cgi-bin/koha/opac-search.pl?idx=kw&q=%22ccl%3D%22au%3A%22Newton%2C%20Isaac%2C%201642-1727.%20%22Mathematical%20principles%20of%20natural%20phi%C3%B1osophy%22%22%22&sort_by=relevance&format=rss Search results for 'kw,wrdl: "ccl="au:"Newton, Isaac, 1642-1727. "Mathematical principles of natural phiñosophy"""' at Catálogo en Línea | Facultad Libre de Derecho de Monterrey 0 20