TY  - JOUR
AU  - A. Panzera
TI  - Methods for Improving World Transportation Accounts, Applied to 1950 to 1953 -  Karreman, H.F.
JO  - Metrika
PY  - 1964
SP  - 250
EP  - 250
VL  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MET_1964__8_175238/
ID  - MET_1964__8_175238
ER  -