A mathematical study of a model of magnetic domain interactions. - R. L. Graham (Bell Syst. Tech. J., 1970)

Tecolote: An Object-Oriented Framework for Physics Development. - J. C. Marshall; L. A. Ankeny; S. P. Clancy; J. H. Hall; J. H. Heiken; K. S. Holian; Stephen R. Lee; G. R. McNamara; J. W. Painter; M. E. Zander; Julian Cummings; Scott Haney; et al. (ECOOP Workshops, 1998)

A Note on Irregularities of Distribution. - R. L. Graham (Integers, 2013)