Gratzer,G <br/><br/>
Universal Algebra/ 
by G.Gratzer 
 - 2nd ed. 
 - New York:  Springer -Verlag,  1979. 
 - xviii,581p. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0387903550 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra -Universal
<br/><br/><label>Dewey Class. No.: </label>512  / GRA.U