Stumpff, Karl  <br/><br/>
Planet earth 
Karl Stumpff  
 - Michigan  Univ.of Michigan Press  1960 
 - 191p.  figs; index 
 - Ann Arbor Science Library .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Planet Earth
<br/><br/><label>Universal Decimal Class. No.: </label>523.31  / STU