@misc{indiciaed57bec318f43, title = {Redundant solid-state controller replaces Betatron mechanical controller.}, author = {P A Parrino and M L Kindle}, year = {1979}, doi = {10.1007/bf02443834}, url = {https://pubmed.ncbi.nlm.nih.gov/120473/}, note = {Source identifier: 120473} }