TY  - BOOK
AU  - Burman,A.K.
TI  - Telephones in Calcutta : an outline of history
U1  - 384.6095414 
PY  - 1986///
CY  - Kolkata
PB  - Bibhas Gupta
KW  - Telephones - History - Calcutta
KW  - Telecommunication - History - Calcutta
ER  -