Black, P.
(2022),
A Historical Note on Shell Sort, Bresenham's Algorithm, and the Chinese Postman Problem, Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NIST.SP.1280, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=934651
(Accessed October 11, 2024)