Treshnikov, A.F.. <br/><br/>
Problems of the Arctic and the Antarctic /  

 - 1st ed /  
 - New Delhi-1 :   Oxonian Press Pvt. Ltd. ,   1976 
 - p.128 :  
<br/><br/><label>Dewey Class. No.: </label>U28:(H)x  / L3.42