Hesser, Dale T. <br/><br/>
Focus of earth science 

 - Columbus<br/>  Merrill Pub. Company  1989 
 - 614p. 
<br/><br/><label>ISBN: </label>00675026717 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Problem solving<br/>Stars
<br/><br/><label>Dewey Class. No.: </label>551  / HES