TY  - JOUR
TI  - Interregional and International Telephone Communication- Aggregate Trafic Models and Empirical Evidence for Austria
DO  - na
SP  - 121
EP  - 135
PY  - 1993-01-01
JO  - Sistemi Urbani
AU  - Fischer, Manfred M. 
AU  - Essletzbichler, Jürgen 
AU  - Gassler, Helmut 
AU  - Trichtl, Gerhard 
ER -