Template: RefSFUSG31
From Trekipedia
Zoerman, Lyle. "SG31: Intruder Alert." Scenario Book 1, Star Fleet Battles Module S1. SFB and F&E Designer Stephen V. Cole. SFB Executive Developer Steven P. Petrick. Published by John Olsen, Task Force Games. Produced by Tim Olsen, Task Force Games and Leanna M. Cole, Amarillo Design Bureau, Inc. Task Force Games/Amarillo Design Bureau, Inc. 1992.
