540 <br/>
M 21 
   Malone Leo J.<br/>
                  Basic Concepts of Chemistry:   Study Guide. 

 - New York:  John Wiley,  1997. 
 - 342p. -
<br/><br/>                 <label>ISBN: </label>0471160326 
<br/><br/>                 <label>Түлхүүр үг: </label>chemistry, organic chemistry,