A cytological map of the human X chromosome - evidence for non-random recombination. - David A. Hartley; Kay E. Davies; Dennis Drayna; Ray L. White; Roberts Williamson (Nucleic Acids Res., 1984)

Analysis of the TMS320C40 Communication Channels Using Timed Petri Nets. - David A. Hartley; David M. Harvey (Application and Theory of Petri Nets, 1993)