GPON vs Gigabit in campus networking, from Lippis
GPON vs Gigabit Ethernet in campus networking, rebuttal from a PON firm
The Present Situation and Development Trend of 10G Technology,paper by Ling Leng et al 2013
Passive Optical Network (PON) Fiber to the Desktop, from IBM
PON Army Directive, April 2010, PON Army Program, May 2012