http://book.klll.cc/ebooks/author/32223.opds?sort_order=title2025-11-19T00:22:52ZBooks by Ramus, PetrusFree eBooks since 1971.Project Gutenberghttps://book.klll.ccwebmaster@gutenberg.orghttps://book.klll.cc/gutenberg/favicon.ico2512025-11-19T00:22:52Zhttp://en.wikipedia.org/wiki/Petrus_RamusSee also: en.wikipedia2025-11-19T00:22:52Zhttps://book.klll.cc/ebooks/26752.opdsWay To GeometryPetrus Ramus