SA-3 "Goa" SAM system on parade in Havana, Cuba. "Soviet Military Power," 1983, Page 89
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external text" href="http://www.dtic.mil/dtic/tr/fulltext/u2/a152445.pdf">Soviet Military Power</a>; United States Department of Defense Audiovisual Archive