TY  - BOOK
AU  - Taylor, Lester D.
TI  - Telecommunications demand in theory and practice
SN  - 0-7923-2675-X
U1  - 384.60973/TAY 
PY  - 1994///
CY  - Dordrecht
PB  - Kluwer
KW  - Telephone--Mathematical models
KW  - Telephone--United States
KW  - Commerce
ER  -