Critchlow, Keith. Order in space: a design source book / Keith Critchlow - London, Thames & Hudson, 1969. - 120 p. (7 fold.) ill;. 21 x 31 cm. Includes index ISBN: 0500340331 LCCN: 70463304 Subjects--Topical Terms: Geometrical drawing.Design. Dewey Class. No.: 745.4