Hopton David <br/><br/>
Payment system   A case for consensus 

 -  1983 
 - 73p  cm. 
<br/><br/><label>Standard No.: </label>150190 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"X62:7, M3/UN"