@article{GDZPPN002449226,
title = {Methods for Improving World Transportation Accounts, Applied to 1950 to 1953 - Karreman, H.F.},
journal = {Metrika},
volume = {8},
year = {1964},
pages = {250-250},
url = {http://dml.mathdoc.fr/item/GDZPPN002449226}
}
Panzera, A. Methods for Improving World Transportation Accounts, Applied to 1950 to 1953 - Karreman, H.F.. Metrika, Tome 8 (1964) p. 250. http://gdmltest.u-ga.fr/item/GDZPPN002449226/