Summer W L <br/><br/>
Progress in science   
  

 - 
 - Oxford  Basil Blackwell  1946 
 - 184, 22 cms, illus, plates 
<br/><br/> B   
<br/><br/>  
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>530 sum/pro