Alexander, R. McNeill. 2005. “Review: Models and the Scaling of Energy Costs for Locomotion.” Journal of Experimental Biology 208, no. 9: 1645–52. http://jeb.biologists.org/content/jexbio/208/9/1645.full.pdf
Compton, Tom. 2001. Online calculators and simulators. https://analyticcycling.com
Formenti, Federico. 2014. “A Review on the Physics of Ice Surface Friction and the Development of Ice Skating.” Research in Sports Medicine 22, no. 3: 276–93. http://dx.doi.org/10.1080/15438627.2014.915833
Formenti, Federico, and Alberto E. Minetti. 2007. “Human Locomotion on Ice: The Evolution of Ice-Skating Energetics through History.” Journal of Experimental Biology 210, pt. 10 (June): 1825–33. https://www.researchgate.net/publication/6342409
Gribble, Steve. 2018. “Cycling Power and Speed.” The Computational Cyclist (website). https://www.gribble.org/cycling/power_v_speed.html
Heine, Jan. 2012. (2009-2016) “Suspension Losses.” Bicycle Quarterly 29 (Autumn). https://www.renehersecycles.com/shop/print/issues/bq-29/ (2009) https://www.renehersecycles.com/suspension-losses/ (2012) https://www.renehersecycles.com/the-missing-piece-suspension-losses/ (2016) https://www.renehersecycles.com/suspension-losses-confirmed/ (2016)
Lieh, Junghsen. 2006. “Determination of Cycling Speed Using a Closed-Form Solution from Nonlinear Dynamic Equations.” Human Power eJournal no. 3: art. 10. http://www.hupi.org/HPeJ/0010/0010.htm
Millet, Gregoire P., Denis Boissiere, and Robin Candau. 2003. “Energy Cost of Different Skating Techniques in Cross-Country Skiing.” Journal of Sports Sciences 21, no. 1 (January): 3–11. https://www.researchgate.net/publication/10899114
Minetti, Alberto E., Christian Moia, Giulio S. Roi, Davide Susta, and Guido Ferretti. 2002. “Energy Cost of Walking and Running at Extreme Uphill and Downhill Slopes.” Journal of Applied Physiology 93, no. 3: 1039–46. https://doi.org/10.1152/japplphysiol.01177.2001
Norrby, Peter. 2012. “Prediction of Coast-Down Test Results—A Statistical Study of Environmental Influences.” M.Sc. Thesis, Department of Product and Production Development, Chalmers University of Technology, Gothenburg, Sweden. http://publications.lib.chalmers.se/records/fulltext/160184.pdf
Papadopoulos, J. M. 1999. “Simple Approximations for the Effects of Tire Resistance, Wind, Weight and Slope.” Human Power, no. 48 (Summer): 10–12. http://ihpva.org/HParchive/PDF/hp48-1999.pdf
Savage, Jonathan. 2017. “Calories Burned Running and Walking.” Fellrnr.com. http://fellrnr.com/wiki/Calories_burned_running_and_walking
Schmidt, Theodor. 2019. Spreadsheet supplements for Bicycling Science, 4th ed. http://hupi.org/BS4/
Snyder, John. 2004. “Algebraic Determination of Land HPV Velocity.” Human Power eJournal no. 1: art. 1. http://www.hupi.org/HPeJ/0001/0001.htm
Teufel, Edgar. 2019. Velocipedio (computer program). http://hupi.org/Velocipedio/ReadmeVelocipedio.txt
Wang, E.L. and M.L. Hull1996. “A Model for Determining Rider Induced Energy Losses in Bicycle Suspension Systems.” Vehicle System Dynamics 25, no. )223–46. https://www.researchgate.net/publication/245308958
Zorn, Walter. 2008. Speed and power calculator. http://kreuzotter.de/english/espeed.htm
ptb.de/cartoweb3/SISproject.php (Very unfortunately the PTB has redesigned its website and withdrawn its unique online gravity service (see https://www.ptb.de/cms/en/ptb/fachabteilungen/abt1/fb-11/fb-11-sis.html). Some gravity-data is available here http://agrav.bkg.bund.de/agrav-meta/, http://walter.bislins.ch/bloge/index.asp?page=Earth+Gravity+Calculator (ellipsoid model) and https://www.isobudgets.com/how-to-calculate-local-gravity/ (US only))
PinewoodDerbyPhysics.com/lectures.shtml (see Car Lecture 21, Speed Loss from Wheel Bumps)
https://www.youtube.com/watch?v=UW6dkT7TS6E (Larry Oslund's fascinating video taken during the final event of the 2019 HPV World Championships in Nandax France, that shows state-of-the-art onboard instrumentation within the camera view)