3 libros de René Descartes

https://drive.google.com/file/d/0B2MZyN8crKtfanBsS0pYeXllUGs/view?usp=sharing

https://drive.google.com/file/d/0B2MZyN8crKtfdVkyRWxDbHJZOGc/view?usp=sharing

https://drive.google.com/file/d/0B2MZyN8crKtfQlZoekFJeHlINm8/view?usp=sharing