TY  - BOOK
AU  - Mason, John R.
AU  - Switch engineering handbook
TI  - Switch engineering handbook
SN  - 9780070407695
AV  - 621.317 MAS 1993 
U1  - 621.317 MAS 1993 
PY  - 1993///
CY  - New York�
PB  - McGraw-Hill
KW  - Electronic Engineering
ER  -