00762nam0-22002771i-450-990002567500403321000256750FED01000256750(Aleph)000256750FED0100025675020000920d1973----km-y0itay50------baENGNew directions in the theory of graphF. Harary.New YorkAcademic Press1973.xii, 325 p.24.Teoria dei grafi, Combinatorica511Harary,Frank7983ITUNINARICAUNIMARCBK990002567500403321MXXII-A-523429MASMASNew directions in the theory of graph436530UNINAING01