000 00266nam a22001217a 4500
020 _a9780003706314
082 _a428.3 OCO
100 _aO'Conell, Sue
245 _aFocus on Proficiency
260 _aLondon:
_bCollins ELT,
_c1984.
300 _a224p.
942 _cBK
999 _c555577
_d555577