00258nam a22001217a 4500020001500000041001200015082001400027100002000041245001800061260004100079300000800120365000800128  a8177970666  aEnglish  a519 GIR/C  aGirish Cheriyil  aComputer Tips  aThiruvananthapurambSISO BOOKSc2004  a239  a175