Clark, John A. <br/><br/>
Earth and universe / 
[by] John A. Clark [and others]. 
 - [2nd ed.] 
 - [London] :  Longmans, [Green,  1966] 
 - Science on the march ;  unit 10 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cosmogony.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Earth.