A 50 Mbit/s Optical Wireless LAN Link Using Novel Optical and Electronic Enabling Technologies. - Michael J. McCullagh; David R. Wisely; P. L. Eardly; Peter P. Smyth (Mobile Communications, 1994)

Aoristic Crime Analysis. - Jerry H. Ratcliffe; Michael J. McCullagh (Int. J. Geogr. Inf. Sci., 1998)

Hotbeds of crime and the search for spatial accuracy. - Jerry H. Ratcliffe; Michael J. McCullagh (J. Geogr. Syst., 1999)