Brown Harold <br/><br/>
Crytallographic Group Of four-Dimensional Space 
Brown Harold; Bulow Rolf 
 -  1978 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>269 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B:(H1:8), L8