The 1994 geographical reference report 
/ ed. by Briana J. Thomsen 
. - Eighth annual ed. 
. - Washington  : BTA Economic Research Institute, 1994
. - XlIII-296 p.  ; 27 cm. 
 - USA Library of Congress  1061-7469 .
<br/><br/><label>Universal Decimal Class. No.: </label>913.