TY  - BOOK
AU  - Gupta S.
TI  - Telegraphy
SN  - 0000022445
U1  - 62.382 
PY  - 1991///
CY  - New Delhi
PB  - Khanna Publications,New Delhi.
KW  - Telegraphy
KW  - Telegraphy(621.382)
ER  -