Cowan, Alfred,  1884- <br/><br/>
Refraction of the eye, 
by Alfred Cowan. 
 - 2d ed., thoroughly rev., illustrated with 181 engravings and 3 colored plates. 
 - Philadelphia,  Lea & Febiger  [1945] 
 - 278 p.  illus., diagrs.  25 cm. 
<br/><br/>Bibliography: p. 264-272. 
<br/><br/><label>LCCN: </label>sg 45000227  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Eye--Accommodation and refraction.<br/>Eye--Examination.
<br/><br/><label>LC Class. No.: </label>RE925  / .C82 1945 
<br/><br/><label>Dewey Class. No.: </label>617.75