Gregg, James R., 1914- <br/><br/>
Vision and sports:  an introduction / 
by James R. Gregg. 
 - Boston:  Butterworths,  1987. 
 - 188pages:  ill.;  24 cm. 
<br/><br/><label>ISBN: </label>0409900206 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optometry.<br/>Protective Devices.<br/>Sports.<br/>Vision.