XX CONCILIUM ophthalmologicum germania 1966 ACTA / 
edited by E.Weigelin Bonn 
 - New york  Excerpta media foundation  1966 
 - xvii, 1245 p. 
<br/><br/> Includes index. 
<br/><br/><label>Dewey Class. No.: </label>617.7  / CON