London, Dick,  1943 <br/><br/>
Graduation  the revision of estimates / 
Dick London 
 - winsted :  Actex Pub.,  1985 
 - 183 p. :  ill. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insurance, Life--Mathematics<br/>Graduation (Statistics)