BLOCK, M J <br/><br/>
Function and operation of the facial pit of the pit vipers.  [electronic resource] 

 -  Nature  Feb 1950 
 - 284 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0028-0836 
<br/><br/><label>Standard No.: </label>10.1038/165284b0  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Face<br/>Humans<br/>Snakes