Forest Canopy Gap Fraction From Terrestrial Laser Scanning. - F. Mark Danson; David Hetherington; Felix Morsdorf; Benjamin Koetz; Britta Allgöwer (IEEE Geosci. Remote. Sens. Lett., 2007)

Predicting field performance of on-board diagnostics using statistical methods. - David Hetherington (IEEE Instrum. Meas. Mag., 2016)