Johnson Valen E, <br/><br/>
Ordinal data modeling 
by Valen E Johnson and James H Albert 
 - New York  Springer-Verlag  1999 
 - 258P. 
<br/><br/><label>ISBN: </label>0-387-98718-5 
<br/><br/><label>Dewey Class. No.: </label>B28ObMZ  / N9