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