Du Val, Patrick, 1903-  Du Val, Patrick, 1903- <br/><br/>
Homographies, quaternions, and rotations. 

 - Oxford,  Clarendon Press,  1964. 
 - Oxford mathematical monographs .
<br/><br/>Bibliography: p. [xi]-xii. 
<br/><br/><label>LCCN: </label>64056979 //r81 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Collineation.<br/>Quaternions.<br/>Polytopes.
<br/><br/><label>LC Class. No.: </label>QA601  / .D78 
<br/><br/><label>Dewey Class. No.: </label>516.5