--mm hk  eng
++000    00000nmm a2200000 a 4500
++090    |a540 CHU
++100    |aChung L.H.M.
++245 00 |a21st Century Chemistry  : Question Bank 1A 1B 2 |h[CD]
++250    |a1st ed.
++260    |aHong Kong:|bJing Kung ,|c2004.
++690    |aChemistry_化學