00379nam a2200145Ia 4500001000500000005001700005008004100022020001500063082001800078100004100096245004100137250000700178260002200185650002600207756820261006004032.0120911s9999    xx            000 0 und d  a0877091420  a650.02854 SIL  aSilver, Gerald A. / Silver, Myrna L.  aData communications for business -3e  a3E  aBoyd & Fraser Pub  aElectronic commerce.