The elements of structure 
Morgan W. 
 - Britain  Pitman  1964 
 - 275p. 
<br/><br/><label>ISBN: </label>0-273-40117-3 
<br/><br/><label>Subjects--Topical Terms: </label>--School of Engineering and Technology
<br/><br/><label>LC Class. No.: </label>TA 633  / .M6 1964