Black Holes and Timewarps: Einstein's Outrageous Legacy by Kip S. Thorne, Macmillan, London, 1995.

The detailed effects of Lac G-1 on Earth are speculative, but as a starting point I used:

"Terrestrial Implications of Cosmological Gamma-Ray Burst Models" by Stephen Titorsett, Astrophysical Journal Letters, 1 May 1995.

The particle acceleration method employed in the Forge is based on:

"PASER: particle acceleration by stimulated emission of radiation" by Levi Schachter, Physics Letters A, 25 September 1995 (volume 205, no. 5).