--am hk  eng
++000    00000nam a2200000 a 4500
++020    |a9623251750
++090    |a005 COM
++100 1  |aLeung, Leo C.F.
++245 10 |aComputer Studies /|cLeo C.F. Leung
++250    |a1st ed.
++260    |aHong Kong:|bHK Exam & Research,|c2000
++440  0 |a會考題解系列
++690    |aComputer Studies_電腦