Գուրզադյան, Գրիգոր Արամի,  1922-2014 <br/><br/>
Planetary nebulae / 
G.A. Gurzadyan ; Transl. and ed. by D.G. Hummer, C.M. Varsavsky, Z. Lerman. 
 - Dordrecht :  D. Reidel Pub.Co,  1970. 
 - xiv, 314 p. :  ill. 
<br/><br/>Bibliogr.: p. 305-314 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astrophysics--Stars