http://www-tech.mit.edu/archives/VOL_109/TECH_V109_S1091_P008.pdf
http://www.gigposters.com/posters.php?poster=18626
http://web.stargate.net/soundgarden/articles/rocket_3-90.shtml
http://www.voivod.net/discography/b90/index.php
News article (purchase)
Dates listed on tour t-shirt from eBay listing