Robert Fenichel. List Tracing in Systems Allowing Multiple Cell-Types. Communications of the ACM, 14(8):522-526, 1971.
@article{Fenichel71a, title = {List Tracing in Systems Allowing Multiple Cell-Types}, author = {Robert Fenichel}, year = {1971}, tags = {type system}, researchr = {https://researchr.org/publication/Fenichel71a}, cites = {0}, citedby = {0}, journal = {Communications of the ACM}, volume = {14}, number = {8}, pages = {522-526}, }