Stoner, Ellen D., <br/><br/>
Optical formulas tutorial / 
by Ellen D. Stoner and Patricia Perkins. 
 - Boston :  Butterworth-Heinemann,  1997. 
 - 220 pages :  illustrations ;  28 cm. 
<br/><br/><label>ISBN: </label>0750699132  RM99.90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ophthalmic lenses.<br/>Mathematics--Formulas.<br/>Optics.<br/>Physiological optics.