Endurance of young men :  analysis of endurance exercises and methods of evaluating motor fitness / 
by T.K. Cureton [and others]. 
 -  Kraus,  1970. 
 - Society for Research in Child Development monographs ;  v.10 no. 1 (serial no. 40) .
<br/><br/> Originally published by Society for Research in Child Development, 1945