Project Gutenberg 2004-10-05 Public domain in the USA. 211 Macfarlane, Alexander 1851 1913 Vector Analysis and Quaternions en Quaternions Vector analysis QA Text Mathematics 700385 2024-03-16T15:05:14 application/pdf 7207 2025-10-06T06:14:59.771068 application/rdf+xml 138478 2024-03-16T15:05:10 application/prs.tex 17518 2025-10-06T06:14:59.703074 image/jpeg 4075 2025-10-06T06:14:59.465078 image/jpeg Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia