Lennox, John C. <br/><br/>
Subnormal subgroups of groups/ 
John C. Lennox, Stewart E. Stonehewer. 
 - Oxford:  New York:  Clarendon Press,  Oxford University Press,  1987. 
 - xiii, 253 p.:  ill.;  25 cm. 
 - Oxford mathematical monographs. .
<br/><br/> Includes indexes. 
<br/><br/>Bibliography: p. [243]-249. 
<br/><br/><label>ISBN: </label>019853552X :  $40.50 (U.S.) 
<br/><br/><label>LCCN: </label>86008697 //r90 
<br/><br/><label>Nat. Bib. No.: </label>GB86-14345 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group theory.<br/>Group rings.
<br/><br/><label>Dewey Class. No.: </label>512.2