Practical internet groupware - building tools for collaboration. - Jon Udell (O'Reilly, 1999)

Comparing the Use of Research Resource Identifiers and Natural Language Processing for Citation of Databases, Software, and Other Digital Artifacts. - Chun-Nan Hsu; Anita E. Bandrowski; Tom Gillespie; Jon Udell; Ko-Wei Lin; Ibrahim Burak Özyurt; Jeffrey S. Grethe; Maryann E. Martone (Comput. Sci. Eng., 2020)