550 <br/>
S 78 
   Spencer Edgar Winston.<br/>
                  Earth science :  understanding environmental systems. 

 - Boston :  McGraw-Hill,  c2003. 
 - xxi, 518 p. :  ill. (chiefly col.), col. maps ;  28 cm. -
<br/><br/> Includes index. 
<br/><br/><br/>english 
<br/><br/>                 <label>ISBN: </label>0072341467 (pbk. : acidfree paper) 
<br/><br/><label>LCCN: </label>2002025073 
<br/><br/>                 <label>Түлхүүр үг: </label>Earth sciences., 
<br/><br/><label>LC Class. No.: </label>QE28  / .S7 2003