000 00312nam a22001217a 4500
008 101118t xxu||||| |||| 00| 0 eng d
020 _a8534603529
080 _a658.8
100 _aShapiro, Benson P.
_91284
245 _aMantendo Clientes
_cBenson P. Shapiro, John J. Sviokla
300 _a420p.
942 _2ddc
_cBK
999 _c4982
_d4982