L. Buettner, PhD, LRT, CTRS†, S. Fitzsimmons, MSN, GNP, ARNP, J. D. Labban, MS, PhD, and B. E. Barba, PhD, RN, FAGHE, FAAN, “Active lifestyle for older adults with dementia: Wheelchair biking versus other recreational therapy interventions”, Am J of Rec Therapy, vol. 12, no. 1, pp. 31–40, Jan. 2013.