E. Douglas Jensen. Hardware vs software: The two faces of computers. IEEE Computer, 6(11):15, 1973. [doi]
@article{Jensen73, title = {Hardware vs software: The two faces of computers}, author = {E. Douglas Jensen}, year = {1973}, doi = {10.1109/MC.1973.6541363}, url = {http://dx.doi.org/10.1109/MC.1973.6541363}, researchr = {https://researchr.org/publication/Jensen73}, cites = {0}, citedby = {0}, journal = {IEEE Computer}, volume = {6}, number = {11}, pages = {15}, }