Marinelli, Mario; Caggiani, Leonardo; Ottomanelli, Michele; Dell&apos;Orco, Mauro: '<i>En route</i> truck–drone parcel delivery for optimal vehicle routing strategies', IET Intelligent Transport Systems, 2018, 12, (4), p. 253-261, DOI: 10.1049/iet-its.2017.0227
IET Digital Library, https://digital-library.theiet.org/;jsessionid=dp83m0jug6j.x-iet-live-01content/journals/10.1049/iet-its.2017.0227