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The Scientific Digital Library Online - SciELO is an digital library covering a specific collection of Luiz Gastão Bittencourt Brazilian scientific journals. SciELO interface provides access to its serials collection via an alphabetic list of titles or a subject checklist or a search kind by phrase 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".

Brazil's sights extend from frozen-in-time colonial towns to otherworldly landscapes of purple-rock canyons, thundering waterfalls and coral-fringed tropical islands. Then there's Brazil's biodiversity: legendary in scope, its numerous ecosystems boast the greatest collection of plant and animal species found wherever on earth.

There's the dancehall forró of the Northeast, twirling carimbó of the Amazon, scratch-expert DJs of São Paulo and an endless variety of regional sounds that extends from the twangy country music of the sunbaked sertanejo to the laborious-edged reggae of Maranhão.