--am hk  eng
++000    00000nam a2200000 a 4500
++020    |a9623728344
++090    |a540 CHU
++100 00 |aChung L.H.M.
++245 00 |a21st Century Chemistry 1B : Supplementary Exercises
++250    |a1st ed.
++260    |aHong Kong :|bJing Kung ,|c2003.
++300    |a125p. :|bill. ;|c28 cm.
++690    |aChemistry_化學