Book of abstract :  XI national conference of coherent and nonlinear optics / 
 Զեկուցումների թեզիսներ 
USSR Academy of sciences scientific council on Coherent and nonlinear optics ; Yerevan State University etc. 
 - Yerevan :  Потапринт,  1982. 
 - [855] pages :  diagrams ;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science