Brittleness in the design of cooperative problem-solving systems: the effects on user performance. - Philip J. Smith; C. Elaine McCoy; Charles Layton (IEEE Trans. Syst. Man Cybern. Part A, 1997)

C-SLANT: an asynchronous communications tool to support distributed work in the National Airspace System. - Roger J. Chapman; Philip J. Smith; Mark Klopfenstein; Joe Jezerinac; Jodi Heintz Obradovich; Elaine McCoy (SMC, 2000)