00309n   a2200133 a 4500000002100000001000700021005001700028082002100045245004800066250000800114260002800122300001000150700001500160B B                 00465720220201170128.0  a004.03bM9;3 REF  aEncyclopedia Dictionary of Computer Science  aIst  aDelhibAnmol Pub.c1989  a355p.  aLal, Madan