use case diagram: Knocker

use case diagram: Knocker
Author: Lukáš Civín
Project: Version: 1.0; Locked: false
Dates: Created: 12.12.2005 16:32:51; Modified: 15.12.2005 0:18:10;
UUID: {9A225074-6BEA-4d7b-ADD8-C96CABCCFCCB}