Lennox John <br/><br/>
Subnormal subgroups of groups 

 - Oxford  Clarendon           1987 
 - 253p.  cm. 
 - Oxford mathematical monographs .
<br/><br/> Bibliography 243-249p 
<br/><br/><label>Standard No.: </label>429 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B27, M7