Room, T.G. <br/><br/>
Miniquaternion geometry : an introduction to the  study of projective planes 
<label>/ by </label> Room, T.G. 
<label>;</label> Kirkpatrick, P.B. 
 - London  Cambridge University Press  1971 
 - viii,176p. 
<br/><br/>SR 
<br/><br/><label>ISBN: </label>0521079268 
<br/><br/><label>Dewey Class. No.: </label>513.5  / R