TY  - BOOK
AU  - Shrader,Robert L.
TI  - Electronic communication
SN  - 0071136657 (hardcover)
PY  - 1993///
CY  - [S.l.]
PB  - McGraw-Hill Education
N1  - Import
UR  - http://www.amazon.com/exec/obidos/ASIN/0071136657/chopaconline-20
ER  -