Mach, E. <br/><br/>
Popular scientific lectures 

 - 5th ed. 
 - Chicago  The Open Court Pub.  1973 
 - viii, 411 pages 
<br/><br/> include index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science-philosophy
<br/><br/><label>Dewey Class. No.: </label>501  / MAC