--as hk  eng
++000    00000nas a2200000 a 4500
++090    |a421 POT
++100 1  |aPotter, John
++245 10 |aSteps & Skills 1 : Oral English Paper IV Casstte 1|h[sound recording]
++250    |a1st ed.
++260    |aHong Kong :|bWitman,|c1997.
++300    |a1 Book + 3 Cassttes
++500    |a1 Book[E100542 -52] + 3 Cassttes[A001045-77]
++690    |aEnglish Language_英國語文