![A theoretical study of special acoustic effects caused by the staircase of the El Castillo pyramid at the Maya ruins of Chichen-Itza in Mexico]()
A theoretical study of special acoustic effects caused by the staircase of the El Castillo pyramid at the Maya ruins of Chichen-Itza in MexicoDeclercq, Nico F.; Degrieck, Joris; Briers, Rudy; Leroy, Oswald · The Journal of the Acoustical Society of America · 2004