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@@ -21,3 +21,5 @@ and [Video of Cloning a Git Repository Using NetBeans IDE](https://netbeans.org/
 * [WireShark](https://wireshark.org) and [WireShark Tutorial for Beginners](https://www.youtube.com/watch?v=TkCSr30UojM) video by Anson Alexander
 * [X3D-Edit](https://savage.nps.edu/X3D-Edit/#Downloads) as Netbeans Plugin including [DIS PDU Player/Recorder](https://savage.nps.edu/X3D-Edit/images/DisPlayerRecorderPanel.png) and [ESPDU Generator](https://savage.nps.edu/X3D-Edit/images/DisEspduTestPanelDemo.png) (currently requires Netbeans version 12.4)
 * [X3D for Web Authors](http://x3dgraphics.com) book, examples and slidesets including [X3D Distributed Interactive Simulation (DIS)](http://x3dgraphics.com/slidesets/X3dForAdvancedModeling/DistributedInteractiveSimulation.pdf)
+
+Contact: Don Brutzman, brutzman@nps.edu