Note

Publication Type:Journal Article
Year of Publication:1873
Authors:A. E. de Perrin
Journal:ASfb
Volume:42
Pagination:XCIV-XCIX.
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith