1. The determination of the energy requirements of practical work from pulse rate and ergometer test;Asmussen;Communications of the Danish National Association for Infant Paralysis,1960
2. Energy expenditure of hemiplegic subjects during walking;Bard;Archives of Physical Medicine and Rehabilitation,1963
3. Measurement of energy expenditures during ambulation, with special reference to evaluation of assistive devices;Ralston;Archives of Physical Medicine and Rehabilitation,1959
4. Energetics of walking in cerebral palsy;Campbell;Orthopedic Clinics of North America,1978