Philip M. Woodward, D. P. Jenkins. Atoms and Lists. Comput. J., 4(1):47-53, 1961. [doi]
@article{WoodwardJ61, title = {Atoms and Lists}, author = {Philip M. Woodward and D. P. Jenkins}, year = {1961}, doi = {10.1093/comjnl/4.1.47}, url = {https://doi.org/10.1093/comjnl/4.1.47}, researchr = {https://researchr.org/publication/WoodwardJ61}, cites = {0}, citedby = {0}, journal = {Comput. J.}, volume = {4}, number = {1}, pages = {47-53}, }