@conference{cb31c9954b284d55b3d3816119a9c560,
title = "Chemical characterization of black stains on mural paintings with granite support from churches of Northern Portugal",
author = "Bruno Campos and Alexandra Marco and Sara Valadas and Iuliu Bobos and Eduarda Vieira and Manuela Pintado and Patricia Moreira",
year = "2019",
month = apr,
language = "English",
note = "Materiais 2019 – XIX Congresso da Sociedade Portuguesa de Materiais and X International Symposium on Materials ; Conference date: 14-04-2019 Through 17-04-2019",
}