Structures and Forces 

 - London:  Macdonald Education,  1972. 
 - 100p.;  ill.  22cm 
<br/><br/><label>ISBN: </label>0356040070 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Education, Research, Related Topics
<br/><br/><label>Dewey Class. No.: </label>507  / STR