Karel Culík. The cyclomatic number and the normal number of programs. SIGPLAN Notices, 14(4):12-17, 1979. [doi]
@article{Culik79-0, title = {The cyclomatic number and the normal number of programs}, author = {Karel Culík}, year = {1979}, doi = {10.1145/988078.988081}, url = {https://doi.org/10.1145/988078.988081}, researchr = {https://researchr.org/publication/Culik79-0}, cites = {0}, citedby = {0}, journal = {SIGPLAN Notices}, volume = {14}, number = {4}, pages = {12-17}, }