00340nam a2200121 a 4500008004100000020001500041050001700056100001700073245006800090250001200158260003900170350000900209120416s1999    ||||||||||||||||| ||    u  a0748740465  aQA 76.55 Bra  aBradley, Ray10aNew understanding computer science for advanced level (4th ed.)  a4th ed.  aCheltenham:bStanley Thornesc1999  a0.00