Leuritzen, Steffen L. <br/><br/>
Extremal families and systems of sufficient statistics   

 - New York  Springer-Verlag  1988 
 - xv, 268p. 
 - Lecture notes in Statistics   49 .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>519.5  / L386.EF