Article for “The Smithsonian/NASA Astrophysics Data System” and SPIE: on how the Zipper mast is used for enhanced communications and surveillance http://adsabs.harvard.edu/abs/2011SPIE.8045E..31W
Robo Business October 25, 2013 , George Woodruff Director of Programs for Geo Systems, Inc. Spoke on the topic of how emerging technology is aiding the advancement of UGV awareness. http://www.robobusiness.com/2013/program/et07/
Robotic systems joint project office – unmanned ground systems roadmap- http://www.dtic.mil/ndia/2011MCSC/Thompson_UGSRoadmap.pdf
Gizmodo –http://gizmodo.com/5121189/unreal-snooping-bot-can-grow-from-25-inches-to-20-feet
Hizook – http://www.hizook.com/blog/2008/12/22/geosystems-situational-awareness-mast-aka-zippermast
apphilates: http://www.suremast.com/zippermast.html