Mac Lane, Saunders <br/><br/>
Categories for the Working Mathematician 

 - New York  Springer-Verlag  1971 
 - ix, 262 p. 
<br/><br/> Includes Bibliography and Index 
<br/><br/><label>ISBN: </label>0387900365 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical research
<br/><br/><label>Dewey Class. No.: </label>B2N5 L1