Brazil
The Scientific Digital Library Online - SciELO is an electronic library masking a selected assortment of Brazilian scientific journals. 317 Currently, the Brazilian authorities, unlike the past, seeks to encourage this mode of transport; an instance of this incentive is the mission of the Rio-São Paulo excessive-velocity rail , that may join the 2 most important cities of the country to hold passengers.

SciELO interface provides access to its serials collection by way of an alphabetic list of titles or Klefer; read on, a topic checklist or a search form by phrase of serial titles, publisher names, metropolis of publication and subject. 17 The Union, the states, the Federal District, and the municipalities, are the "spheres of presidency".

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