Meir M. Lehman. On understanding laws, evolution, and conservation in the large-program life cycle. Journal of Systems and Software, 1:213-221, 1980. [doi]
@article{Lehman80,
title = {On understanding laws, evolution, and conservation in the large-program life cycle},
author = {Meir M. Lehman},
year = {1980},
doi = {10.1016/0164-1212(79)90022-0},
url = {http://dx.doi.org/10.1016/0164-1212(79)90022-0},
researchr = {https://researchr.org/publication/Lehman80},
cites = {0},
citedby = {0},
journal = {Journal of Systems and Software},
volume = {1},
pages = {213-221},
}