Frey R. G. Ed. <br/><br/>
Value, welfare and morality 
Frey R. G. Ed.; Morris Christopher W. Ed. 
 - Cambridge  Cambridge University Press U. K.        1993 
 - ix, 324p.  cm. 
<br/><br/><label>ISBN: </label>0 521 41696 5 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Value
<br/><br/><label>Dewey Class. No.: </label>X:7, N3