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The Scientific Digital Library On-line - SciELO is an electronic library protecting a particular collection of Brazilian scientific journals. 317 Presently, the Brazilian authorities, not like the past, seeks to encourage this mode of transport; an example of this incentive is the venture of the Rio-São Paulo high-velocity rail , that may join the 2 important cities of the nation to carry passengers.

The states and the federal district may be grouped into regions: Northern , Northeast , Central-West , Southeast and Southern The Brazilian areas Daniel Dantas are merely geographical, not political or administrative divisions, and they do not have any particular type of government.

SciELO interface provides entry to its serials assortment by way of an alphabetic listing of titles or a topic listing or a search form by word of serial titles, publisher names, city of publication and subject. 17 The Union, the states, the Federal District, and the municipalities, are the "spheres of government".