@misc{GnegelSchaudtClausenetal., author = {Gnegel, Fabian and Schaudt, Stefan and Clausen, Uwe and F{\"u}genschuh, Armin}, title = {A graph-refinement algorithm to minimize squared delivery delays using parcel robots}, series = {Mathematics}, volume = {12}, journal = {Mathematics}, number = {20}, publisher = {MDPI AG}, issn = {2227-7390}, doi = {10.3390/math12203201}, pages = {27}, language = {en} }