Pike, R.; Presotto, D.; Dorward, S.; Flandrena, B.; Thompson, K.; Trickey, H.; Winterbottom, P. "Plan 9 from Bell Labs". Bell Labs. Lucent Technologies. Archived from the original on 16 May 2016. Retrieved 2 December 2011.
Pike, R.; Presotto, D.; Dorward, S.; Flandrena, B.; Thompson, K.; Trickey, H.; Winterbottom, P. "Plan 9 from Bell Labs". Bell Labs. Lucent Technologies. Archived from the original on 16 May 2016. Retrieved 2 December 2011.