Rothman Joseph J. <br/><br/>
Introduction tohomological algebra 
Rothman Joseph J. 
 - New York       Academic Press         1979 
 - xi,376p.  cm. 
<br/><br/><label>Standard No.: </label>330 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B2-316, L91