Heyerdahl, Thor <br/><br/>
The Ra expeditions / 
Th. Heyerdahl ; Translated by Patricia Crampton. 
 - New York :  Doubleday & Co., Inc.,  1971. 
 - xi, 341 p., :  [64] p. of col. plates : ill. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Voyages and travels