by Piliero, Sam J., Carson, Steve, LiCalzi, Michael, Pentel, Leon, Piliero, Joseph A., Kaufman, Edward G., Schulman, Allan, Willigan, Donald A.
Published in The Journal of prosthetic dentistry (01.02.1979)

by Naughton, B A, Piliero, J A, Kruger, R E, Birnbach, D J, Roy, M, Piliero, S J, Gordon, A S
Published in American journal of anatomy (01.07.1977)