Zannin, P.H.T., de Oliveira Filho, M.M., Ferreira, A.M.C., Pulsides, C., Ansay, S. and Portela, B. 2015. Preliminary Assessment of the Acoustics of the Guaíra Theater in Curitiba, State of Paraná, Brazil. Canadian Acoustics. 43, 4 (Dec. 2015), 5–9.