000 00322nam a2200133 i 4500
008 991231s1997 sp g spa
080 1 _a802.0
100 _aVARIOS
245 0 _aEssential Activator
250 _a3ยช
260 _b:LONGMAN
_c,1997
300 _a997
_c;22cm
997 _dFalta ISBN
_e1