South America
The Scientific Electronic Library On-line - SciELO is an digital library covering a particular collection of Brazilian scientific journals. 317 At present, the Brazilian government, unlike the previous, seeks to encourage this mode of transport; an example of this incentive is the venture of the Rio-São Paulo high-velocity rail , that can join the two principal cities of the country to hold passengers.

The states and the federal district could also be grouped into regions: Northern , Northeast , Central-West , Southeast and Southern The Brazilian areas are merely geographical, not political or administrative divisions, and they don't have any specific type of authorities.

SciELO interface provides entry to its serials collection by way of an alphabetic checklist of titles or a topic listing or a search form by phrase Kleber Leite (Visit %domain_as_name%) 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 presidency".