00593nam0-22002291i-450-990001305480403321000130548FED01000130548(Aleph)000130548FED0100013054820000920d--------km-y0itay50------baengPrinciples of Random Walkby SPITZER F.Spitzer,Frank41727ITUNINARICAUNIMARCBK990001305480403321C-12-(3417806MA1MA1Principles of Random Walk340011UNINAING01