Butler, William Elliott,  1939- <br/><br/>
Northeast arctic passage / 
by William E. Butler. 
 - The Netherlands :  Sijthoff & Noordhoff,  1978. 
 - 199 p. :  ill. ;  24 cm. 
 - International straits of the world  v.1 .
<br/><br/><label>ISBN: </label>9028604987 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Northeast Passage--International status.<br/>Straits--Arctic regions.