“…These and their solution methods are discussed in several surveys by Solomon and Desrosiers (1988), Laporte (1992), Parragh, Doerner, and Hartl (2008), Eksioglu, Vural andReisman (2009), Toth andVigo (2002), as well as a 50th anniversary survey by Laporte Given the vast number of possible scenarios, vehicles, customer requirement characteristics and constraints, it is practical to focus on the main and relevant variants for the purpose of this literature review. Broad classification schemes and naming convention have been given by Desrochers, Lenstra, and Savelsbergh (1990), Berbeglia, Cordeau, Gribkovskaia, Laporte's 3-field scheme (2007a;2007b), Marinakis &Migdalas (2007, and Hosny (2010).…”