TY  - BOOK
AU  - Griesinger, Frank K.
TI  - How to cut costs and improve service of your telephone, telex, TWX and other telecommunications
SN  - 9780070247604
U1  - 384 
PY  - 1974///
CY  - New Delhi
PB  - McGraw-Hill
KW  - Telephone in business
ER  -