Mach, Ernst <br/><br/>
Space and geometry  in the light of physiological, psychological and physical inquiry. 

 - La Salle, Ill.  The Open court publishing company  1943 [c1906] 
 - 148 p.  illus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Space perception.<br/>Geometry--Foundations.