@inproceedings{inproceedings4499dcba,
title   = {Hormigones coloridos: envejecimiento acelerado y medición del color},
author = {Positeri, Maria and Helene, Paulo R. L. and Herrero, Eduardo and Oshiro, Angel},
year = {2004},
publisher = {IBRACON},
booktitle   = {Congresso Brasileiro de Concreto}
}