Childs, Lindsay. <br/><br/>
A concrete introduction to higher Algebra 

 - 3rd ed. 
 - New York, N.Y.   : Springer   , 2009 
 - xiv, 603 p. 
 - (Undergraduate texts in Mathematics) .
<br/><br/><label>ISBN: </label>9780387745275 
<br/><br/><label>ISSN: </label>01726056 
<br/><br/><label>Subjects--Topical Terms: </label><br/> ALGEBRA
<br/><br/><label>Universal Decimal Class. No.: </label>512.5 C537c3