Selecting and Effectively Using Stationary Bicycles - The American College of Sports Medicine's guide to purchasing and using stationary bikes. - http://www.acsm.org/health%2Bfitness/pdf/brochures/0380GNBR_3.pdf
Stationary Bikes - Reviews on Stationary Bikes written by consumers at Epinions.com. - http://www.epinions.com/haft_Aerobic_Exercise-Stationary_Bikes