Learning sites: networked resources and the learning community. - Paul Light; Charles K. Crook; Su White; Emma Nesbitt; David Barrowcliff; Vivienne Light (J. Comput. Assist. Learn., 1998)

Ubiquitous Computing on Campus: Patterns of Engagement by University Students. - Charles K. Crook; David Barrowcliff (Int. J. Hum. Comput. Interact., 2001)