00321nam a2200121 a 450000500170000002000150001708200150003210000190004724500680006625000130013426000250014730000270017220251203090728.0  a0852262590  a519.2bFEL  aFeller,William  aIntroduction to probability theory and its applications [vol.1]  a3rd Edn.  aChennaibWileyc1985  axviii, 509p.c24cm. PB