Problems of polar research a series of papers 

 -  1928 
<br/><br/><label>Standard No.: </label>87,830 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOGRAPHY; RESEARCH METHODS
<br/><br/><label>Dewey Class. No.: </label>U:168b4, F8