@misc{indiciaeda35984efcd3, title = {Robust closed-loop control of isometric muscle force using pulsewidth modulation.}, author = {H J Chizeck and P E Crago and L S Kofman}, year = {1988}, doi = {10.1109/10.4579}, url = {https://pubmed.ncbi.nlm.nih.gov/3209212/}, note = {Source identifier: 3209212} }