Holroyd, Fred <br/><br/>
Groups & gemoetry  unit GE2   periodic and transitive tilings 

 - Milton Keynes  The Open University  1994 
 - 49p.  31cm 
<br/><br/><label>ISBN: </label>0749221704 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Groups and group theory
<br/><br/><label>Dewey Class. No.: </label>512.2  / OPE