000 00545cam a22002172a 4500
001 009505
003 AR-FADEU
008 311216n1977####xxu####################dd
020 _a0-582-55361-X
092 _a428.32
_bA287
100 _aAhrens, Patricia
245 _aTense time : extension material in spoken english
260 _aLondon
260 _bLongman
260 _c1977
300 _a3 v. : il
500 _aBook 1.2.3
650 _a/LINGUISTICA/<INGLES-USO; EXPRESION ORAL/REVISADO/
546 _aInglés
942 _cBDGR
999 _c15302
_d15302