000 00447nam a2200193Ia 4500
003 AR-BaUFA
008 190821s1986 xxk eng d
040 _aAR-BaUFA
041 _aeng
245 0 _aAdvanced English practice.
001 BT00000124
020 _a0194321819
100 _aGraver, B. D.
_99851
300 _a320 p.
942 _cLIBRO
250 _a3 ed.
260 _aOxford :
_bOxford University Press,
_c1986.
690 1 _aLENGUA
_99718
999 _c813
_d813