Jaggar T.A <br/><br/>
Origin and development of craters 

 -  1947 
 - Geological Society Of America, 21 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H418, H7