Critchlow, Keith. <br/><br/>
Order in space:a design source book 
Keith Critchlow 
 - London,  Thames & Hudson  1969. 
 - 120 p. (7 fold.) (chiefly illus.)  21 x 31 cm. 
<br/><br/>Bibliography: p. 120. 
<br/><br/><label>ISBN: </label>0500340331 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Design<br/>Geometrical drawing.