El-Kareh, A. B.,  1932-, <br/><br/>
Electron beams, lenses, and optics / 
By a.b. el-kareh and j. c. j. el-kareh. 
 - volúmenes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Óptica electrónica
<br/><br/><label>LC Class. No.: </label>QC447  / E53