Rasul, A., Seo, J. Xu, S., Kwon, T., MacLean, J., and Brown, C., Snowplow route optimization using Chinese postman problem and tabu search algorithm, 38th International Symposium on Automation and Robotics in the Construction (ISARC 2021), 2021 (2-4 Nov), pp. 403-409, DOI: 10.22260/ISARC2021/0056.