Contact lens society transactions/ 
International Congress of the Contact Lens Society, British Optical Association. 
 - London:   [British Optical Association]  1969. 
 - 150 pages :   illustrations  26 CM 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Contact Lenses
<br/><br/><label>LC Class. No.: </label>RE977  / CO 1969