Ulmer,, Melville J.
The economic theory of cost of living index numbers / Melville J. Ulmer
The economic theory of cost of living index numbers / Melville J. Ulmer
. - New York : Columbia University Press, imp. 1950
. - 106 p. : il. gráficos 23 cm
. - (Studies in history, economics and public law; 550))
330.1