Aylık istatistik bülteni  

 -  1970 
 -  7 .
<br/><br/> Monthly Bulletin of Statistics 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Archaeology and Art<br/>Armenia--Antiquities--Erebuni<br/>Fortification--History, Ancient<br/>Urartu--Antiquities