Welker, E L <br/><br/>
INFLUENCE OF UNKNOWN FACTORS ON THE VALIDITY OF MATHEMATICAL CORRELATIONS OF BIOLOGICAL DATA.  [electronic resource] 

 -  Plant physiology  Jul 1943 
 - 498-507 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0032-0889 
<br/><br/><label>Standard No.: </label>10.1104/pp.18.3.498  doi