SPERANSKII, G N <br/><br/>
[THE PROBLEM OF MENTAL FATIGUE IN CHILDREN].  [electronic resource] 

 -  Pediatriia  Jun 1964 
 - 8-13 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0031-403X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child<br/>Fatigue<br/>Humans<br/>Mental Fatigue