Kassavetis GA, Kumar A, Ramirez E, Geiduschek EP. Functional and Structural Organization of Brf, the TFIIB-Related Component of the RNA Polymerase III Transcription Initiation Complex. Molecular and Cellular Biology. 1998 Sep 01;18(9):5587–99. doi: 10.1128/mcb.18.9.5587.