00734nam a2200205 i 450099100431323160753620240405112922.024005 s1952 xxu e 000 0 eng dBibl. Dip.le Aggr. Scienze Giuridiche - Sez. Centro Studi sul Rischio307.7619Park, Robert Ezra43852Human communities :the city and human ecology /Robert Ezra ParkGlencoe, Ill. :Free press,c1952278 p. :graf. ;22 cmThe collected papers of Robert Ezra Park ;2CittàSociologiaThe collected papers of Robert Ezra Park ;2991004313231607536Human communities4148775UNISALENTO