VII censo de transportes, 1971
Subtitle: datos de 1970
By: Estados Unidos Mexicanos, Secretaría de Industria y Comercio, Dirección General de Estadística.
Publisher: La Dirección
Published: 1975
Place of publication: México
Language: spa
Number of pages: 453
Subjects: Transportation -- Mexico -- Statistics.
Other titles: 7. censo de transportes, 1971