"Rocket City No More"(PDF), Bowburn Interchange, no. 53, p. Page 6, December 2009, archived from the original(PDF) on 23 July 2011, retrieved 23 May 2010
"Rocket City No More"(PDF), Bowburn Interchange, no. 53, p. Page 6, December 2009, archived from the original(PDF) on 23 July 2011, retrieved 23 May 2010