Conway, John H. <br/><br/>
On quaternions and octonions  their geometry, arithmatic and symmetry 
by John H. Conway and Derek A. Smith 
 - Wellesley  A.K. Peters  2003 
 - xii, 159p. 
<br/><br/><label>ISBN: </label>1568811349 
<br/><br/><label>Dewey Class. No.: </label>512.5  / P031