Pixação: the story behind São Paulo's 'angry' alternative to graffiti, Cities

Derived from heavy metal album covers, São Paulo’s distinctive street writing is rooted in a desire to protest against inequality in Brazil’s largest city. But some <em>pixadores</em> now fear their work is being ‘sold out’

Graffiti: Most Up-to-Date Encyclopedia, News & Reviews

James Packs - 2016 Projects

Pixacao is native to Brazil and similar in method to tagging. It's

Brazil: Pixacao Sao Paulo's Urban Calligraphy

Pixacao: Sao Paulo Signature - Hitzerot

PDF) From graffiti to pixação: urban protest in Brasil

Full article: Pixação and Tourist Appraisal

Street Art SpringerLink

PICHAÇAO – PANKOV

Street art and graffiti walls in New York City — Page 31