The science of geography: report. 

 - Washington :  National Academy of Sciences-National Research Council,  1965. 
 - Publication (National Research Council (U.S.)) ;  1277. .
<br/><br/>Bibliography: p. 69-80. 
<br/><br/><label>LCCN: </label>65060052 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography -- Research.--Geography -- Research.
<br/><br/><label>LC Class. No.: </label>G73  / .N33