Gass I G Ed. <br/><br/>
Understanding the earth 

 - Sussex  Artemis Press          1971 
 - 381p.  cm. 
<br/><br/><label>Standard No.: </label>57201 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>H413z7, L1;1-4