Humphrey, David B <br/><br/>
Payment systems :  principles, practice, and improvements / 
Dav id Burras Humphrey 
 - Washington, D.C. :  The World Bank,  1995 
 - viii, 104p. :  ill. ;  27 cm. 
 - World Bank technical paper;  no.260 .
<br/><br/>Includes bibliographical references (p.103) 
<br/><br/><label>ISBN: </label>0821331116 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Banks and banking, International--Communication systems<br/>Clearing houses (Banking)--Data processing<br/>Payment--Data processing