Gromyko, G. L. <br/><br/>
Statisticheskie ri͡ady v ėkonomicheskikh i ėkonomiko-geograficheskikh issledovanii͡akh. 

 -  1974. 
 - 263 p. :  ill. ;  21 cm. 
<br/><br/><label>LCCN: </label>ltf96006594  
<br/><br/><label>LC Class. No.: </label>HB135  / .G74