An overview of the Programmer's Imaging Kernel (PIK) proposed standard. - Timothy Butler; Pat Krolak (Comput. Graph., 1991)

Retaining document format in OCR. - Timothy Butler (Document Recognition, 1994)

Web learning: Flexibility in Corporate and Academic Education. - Timothy Butler; Virginia McFadden; Kathleen Gilroy (WebNet, 2000)

Next Generation GNSS-R Instrument. - Christopher Ruf; Roger Backhus; Timothy Butler; Chi-Chih Chen; Scott Gleason 001; Eric Loria; Darren McKague; Ryan Miller; Andrew O'Brien 001; Line van Nieuwstadt (IGARSS, 2020)

Generation of A New High Resolution Ddm Data Product from Cygnss Raw If Measurements. - Hugo Carreno-Luengo; Chris Ruf; Scott Gleason 001; Anthony Russel; Timothy Butler (IGARSS, 2021)