000 00578nam a2200217Ia 4500
008 200129s9999 xx 000 0 und d
020 _a194311856
040 _aEC-QuPUC
_bspa
_erda
082 0 4 _a420.7/ Sw24p/ 03.2.006(a)
100 1 _aSwan, Michael
245 0 _aPractical english usage
250 _aOxford University Press
264 _bOxford University Press:
_c1984
300 _a639 p. ;
_c 22 cm.
336 _atxt
337 _an
338 _anc
650 0 4 _aENSEƑANZA
650 0 4 _aLENGUA EXTRANJERA
942 0 0 _00
_cBK
999 _c250201
_d250201