Poolman Kenneth <br/><br/>
Periscope Depth    Submarines at war      
Poolman Kenneth 
 - London  William Kimber        1981 
 - 199p  cm. 
<br/><br/><label>Standard No.: </label>49752 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>V3,945'L7, M1