Conway, John Horton. <br/><br/>
On quaternions and octonions :  their geometry, arithmetic, and symmetry / 
John H. Conway, Derek A. Smith. 
 - London :  CRC Press,  c2003. 
 - xii, 159 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 149-152) and index. 
<br/><br/><label>ISBN: </label>9781568811345 
<br/><br/><label>LCCN: </label>2002035555 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quaternions.
<br/><br/><label>LC Class. No.: </label>QA196  / .C66 2003 
<br/><br/><label>Dewey Class. No.: </label>512/.5  / C 767