Lancaster Kelvin <br/><br/>
Variety, equity efficiency    Product variety in an    

 - Oxford  Basil Blackwell           1979 
 - 373p  cm. 
<br/><br/> Bibliography p 363-68; Appendix p 335-49 
<br/><br/><label>ISBN: </label>0 631 11411 4 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing Survey
<br/><br/><label>Dewey Class. No.: </label>X:511, L9