00539nam a22001817a 45000010006000000050017000060080041000230200018000640500021000820900017001031000062001202450088001822600031002703000014003016500016003159420009003319990017003403212920260707172420.0090108t        xxu||||| |||| 00| 0 eng d  a9788477114970  aPC4112. H47 2008  c32129d32126  aHermoso, Alfred Gonzalez and Duenas, Carlos Romero958723  aCompetencia gramaticalben usocAlfred Gonzalez Hermoso and Carlos Romero Duenas A1  aMadridbEdelsa Grupoc2008  a160pbill  2Grammatical  cBOOK  c32129d32126