@misc{indiciae48e60cb3b3ff, title = {Influence of concurrent task difficulty on manual performance.}, author = {K McFarland and R Ashton}, year = {1978}, doi = {10.1016/0028-3932(78)90008-8}, url = {https://pubmed.ncbi.nlm.nih.gov/748810/}, note = {Source identifier: 748810} }