Engel <br/><br/>
Geometric Crystallography 

 - 1st 
 - Boston  D.Reidel Pub.  1986 
<br/><br/><label>ISBN: </label> RS 11311.72 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Geometry
<br/><br/><label>Dewey Class. No.: </label>548.7 ENG