@misc{indiciaef2b9c01ad8f8, title = {Comparison of operator performance on a tracking task using discretely and continuously variable controls.}, author = {M Hammerton and A H Tickner}, year = {1968}, doi = {10.1037/h0026042}, url = {https://pubmed.ncbi.nlm.nih.gov/5665560/}, note = {Source identifier: 5665560} }