TY  - BOOK
AU  - Seely,Samuel
TI  - Electron tube circuits
U1  - 537.534 
PY  - 1958///
CY  - New York
PB  - Mcgraw hill book company
KW  - Physics
KW  - Electron tube
KW  - পদার্থবিদ্যা
N1  - Index
ER  -