Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Luitpold Babel,New heuristic algorithms for the Dubins traveling salesman problem,Journal of Heuristics,1381-1231,Springer Science and Business Media LLC,2020-02-13,26,4,503-530,https://cir.nii.ac.jp/crid/1360016870138967936,https://doi.org/10.1007/s10732-020-09440-2