Santos, Ana Lúcia, Maria Lobo, and Carla Soares-Jesel. Spontaneous and elicited production of European Portuguese clefts In Boston University Conference on Language Development. S. Baiz, N. Goldman & R. Hawkes  ed. Vol. Proceedings of the 37th annual Boston University Conference on Language Development. Boston: Somerville, MA: Cascadilla Press, 2012.