Wohlers Report 2021Terry T. Wohlers, Ian Campbell, Olaf Diegel, Ray Huff, Joseph Kowen · First published 2021Open the Tome
Vision & Voice 2Margaret McCurry, A. Eugene Kohn, Garth Rockcastle, Roger Schluntz, Amy Weinstein, Ray Huff, Laurie Hawkinson · First published 2004Open the Tome
