Witte, T H Accuracy of non-differential GPS for the determination of speed over ground. [electronic resource] - Journal of biomechanics Dec 2004 - 1891-8 p. digital Publication Type: Evaluation Study; Journal Article ISSN: 0021-9290 Standard No.: 10.1016/j.jbiomech.2004.02.031 doi Subjects--Topical Terms: AnimalsBicycling--physiologyBiomechanical Phenomena--methodsData Interpretation, StatisticalHumansLocomotion--physiologyModels, Theoretical