Thomas E. Cheatham Jr.. Motivation for extensible languages. SIGPLAN Notices, 4(8):45-49, 1969. [doi]
@article{Cheatham69, title = {Motivation for extensible languages}, author = {Thomas E. Cheatham Jr.}, year = {1969}, doi = {10.1145/1115858.1115869}, url = {https://doi.org/10.1145/1115858.1115869}, researchr = {https://researchr.org/publication/Cheatham69}, cites = {0}, citedby = {0}, journal = {SIGPLAN Notices}, volume = {4}, number = {8}, pages = {45-49}, }