J. M. Loveluck, F. Robert A. Hopgood. The ICL/Three Rivers PERQ and distributed interactive computing. Computers & Graphics, 7(2):193-198, 1983. [doi]
@article{LoveluckH83, title = {The ICL/Three Rivers PERQ and distributed interactive computing}, author = {J. M. Loveluck and F. Robert A. Hopgood}, year = {1983}, doi = {10.1016/0097-8493(83)90011-0}, url = {http://dx.doi.org/10.1016/0097-8493(83)90011-0}, researchr = {https://researchr.org/publication/LoveluckH83}, cites = {0}, citedby = {0}, journal = {Computers & Graphics}, volume = {7}, number = {2}, pages = {193-198}, }