TY  - BOOK
AU  - Gerrit Bleumer
TI  - Electronic Postage Systems
SN  - 978-0-387-44606-6
PY  - 2007///
CY  - Germany
PB  - Springer
KW  - Computer Science
KW  - Electronic Postage Systems
UR  - http://link.springer.com/openurl?genre=book&isbn=978-0-387-29313-4
ER  -