MITCHELL, R B <br/><br/>
Studies on microorganisms of the upper atmosphere. 1. Development of methods and material.  [electronic resource] 

 -  The Journal of aviation medicine  Jun 1951 
 - 214-24 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0095-991X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Atmosphere