Aston, F.W. . <br/><br/>
Structural Units of the Material Universe /  Textual Documents 
F.W.Aston. 
 - 1st ed. / 
 - Sl :  Sn ,  Nd. 
 - 23p. :  ill ;  22cm . 
<br/><br/><label>Subjects--Index Terms: </label>Arts G-Technology 
<br/><br/><label>Dewey Class. No.: </label>721.972  / As 86 St