Understanding the scientific bases of human movement / 
Connell,alice and Gardner,elizabeth b 
 - 2nd ed .- 
 - london:  Williams and wilkins,  1973. 
 - xxi, 358 p.:  ill.;  20 cm. 
<br/><br/> book 
<br/><br/><label>ISBN: </label>0683035924 
<br/><br/><label>LC Class. No.: </label>QP30  / .03 1973