Brazil
The Scientific Electronic Library On-line - SciELO is an digital library masking a particular collection of Brazilian scientific journals. SciELO interface gives access to its serials collection by way of an alphabetic list of titles or a subject checklist or a search type by word of serial titles, writer names, metropolis of publication and topic. 17 The Union, the states, the Federal District, and the municipalities, are the "spheres of presidency".

317 At present, the Brazilian authorities, unlike the past, seeks to encourage this mode Kléber Leite (Read Alot more) of transport; an example of this incentive is the challenge 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 do not have any particular type of authorities.