Allenby,R. B. J. T. <br/><br/>
Rings, fields and groups, an introduction to abstract algebra / 
R. B. J. T. Allenby. 
 - 2nd ed. 
 - [S.l.] :  Butterworth-Heinemann,  1991. 
 - 416 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0340544406 9780340544402 
<br/><br/><label>Dewey Class. No.: </label>512.02