Strait crossings :  proceedings of the 2nd Symposium on Strait Crossings, Trondheim, Norway 10 - 13 June 1990 / 
edited by Jon Krokeborg. 
 - Rotterdam :  A. A. Balkema,   1990. 
 - 656 p. ;  27 cm. 
<br/><br/><label>ISBN: </label>9061911184 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Straits--Congresses.