000 00335nam a2200121 i 4500
008 991231s1995 sp g spa
100 _aWALKER, Elaine
245 0 _aGrammar practice for upper intermediate students
260 _aEssex
_b:Longman
_c,1995
300 _a170
650 _aI
997 _dFalta ISBN
_e1