Sadovi, Carlos; Casillas, Ofelia; Presecky, William; Heinzmann, David; Doyle, Gerry (December 10, 2005). "A father's horror: He saw jet coming". The Chicago Tribune. Archived from the original on October 6, 2014. Retrieved February 15, 2015.
Sadovi, Carlos; Casillas, Ofelia; Presecky, William; Heinzmann, David; Doyle, Gerry (December 10, 2005). "A father's horror: He saw jet coming". The Chicago Tribune. Archived from the original on October 6, 2014. Retrieved February 15, 2015.