Geometrical Optics/ 
authored and edited by 3G E-Learning 
 - United States:   3g E-Learning,  2019. 
 - 255 pages:  color illustrations ;  26 cm. 
 - 3GE Collection On Mathematics .
<br/><br/>Includes index and bibliographical references 
<br/><br/><label>ISBN: </label>9781984623638 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optical instruments--Design and construction<br/>Geometrical optics
<br/><br/><label>LC Class. No.: </label>QC   / 381 T47 2019