From Sir Isaac to the Sloan Survey: Calculating the Structure and Chaos Owing to Gravity in the Universe. - George Lake; Thomas Quinn; Derek C. Richardson (SODA, 1997)

The pursuit of the whole NChilada: Virtual petaflops using multi-adaptive algorithms for gravitational systems. - George Lake; Thomas Quinn; Derek C. Richardson; Joachim Stadel (IBM J. Res. Dev., 2004)