Conway, John Horton <br/><br/>
On quaternions and octonions:  their geometry, arithmetic, and symmetry/ 
John H. Conway, Derek A. Smith. 
 - Natick, MA:  A K Peters,  c2003. 
 - xii, 159 p.:  ill.;  24 cm. 
<br/><br/>Includes bibliographical references (p. 149-152) and index. 
<br/><br/><label>ISBN: </label>1568811349 
<br/><br/><label>LCCN: </label>00203555 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quaternions.<br/>Cayley numbers.
<br/><br/><label>Dewey Class. No.: </label>512.5