TY  - BOOK
AU  - Silver, Gerald A.
TI  - Data communications for business, 2nd ed. / Gerald A. Silver, Myrna L. Silver
SN  - 053498231X
U1  - 650.02854 SIL 
CY  - Boston : Boyd & Fraser Pub. Co., C1991.
KW  - Electronic commerce.
ER  -