00791nam a2200229 i 4500991001661109707536 s2003 us 000 0 eng d0393325423b13407314-39ule_instDip. SSCita511.5Watts, Duncan J.151600Six degrees :the science of a connected age /Duncan J. WattsNew York ; London :>Norton,2003 368 p. ;25 cmTeoria dei grafi.b1340731421-09-0606-06-06991001661109707536LE021 SOC25B412021000117480le021Longo-E0.00-nm 00000.i1424624706-06-06Six degrees1091362UNISALENTOle02106-06-06m- -engus 00