Bettex, Albert <br/><br/>
The discovery of nature  Albert Bettex. 

 - London  Thames and Hudson  1965 
 - 380p.: ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science - methodology Research.
<br/><br/><label>Dewey Class. No.: </label>500.83  / B50D