Herzog, W., & Binding, P. (1994). Effects of replacing 2-joint muscles with energetically equivalent 1-joint muscles on cost-function values of non-linear optimization approaches. Human movement science, 13(5), S. 569-586.

Herzog, W., and P. Binding. "Effects of Replacing 2-joint Muscles With Energetically Equivalent 1-joint Muscles On Cost-function Values of Non-linear Optimization Approaches." Human Movement Science 13, no. 5 (1994): S. 569-586.

Herzog, W., and P. Binding. "Effects of Replacing 2-joint Muscles With Energetically Equivalent 1-joint Muscles On Cost-function Values of Non-linear Optimization Approaches." Human Movement Science 13.5 (1994): S. 569-586.