Mathematical discussion system. - Gabe Johnson (CSCL, 2002)

Flow selection: a time-based selection and operation technique for sketching tools. - Gabe Johnson; Mark D. Gross; Ellen Yi-Luen Do (AVI, 2006)

FlatCAD and FlatLang: Kits by code. - Gabe Johnson (VL/HCC, 2008)

Games For Sketch Data Collection. - Gabe Johnson; Ellen Yi-Luen Do (SBIM, 2009)

Computational Support for Sketching in Design: A Review. - Gabe Johnson; Mark D. Gross; Jason I. Hong; Ellen Yi-Luen Do (Found. Trends Hum. Comput. Interact., 2009)

Sketch it, make it: sketching precise drawings for laser cutting. - Gabe Johnson; Mark D. Gross; Ellen Yi-Luen Do; Jason I. Hong (CHI Extended Abstracts, 2012)