000 00355nam a2200133 i 4500
008 991231s1993 sp g spa
100 _aVICARY, Tim
245 0 _aChemical secret
260 _aOxford
_b:Oxford University Press
_c,1993
300 _a60
490 0 _aOxford Bookworms, Stage
650 _aI
997 _dFalta ISBN
_e1