Nikel, Heinrich L.  <br/><br/>
Zur Herleitung des Kielbogens / 
N.L. Heinrich ; Academy of Sciences of Armenian SSR Institute of Arts 
 - Yerevan :  AS of ArmSSR,  1978. 
 - 12 p.;  20 cm. 
 - 72(47.925) (NLA) .
<br/><br/>  II International symposium on Armenian art. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Architecture--Armenia
<br/><br/><label>Universal Decimal Class. No.: </label>72(47.925) (NLA)