Journal article (1996) - JJ Szymenski (author), WM Snow (author), A Komives (author), M Leuschner (author), LY Lowie (author), A Masaike (author), Y Matsuda (author), GE Mitchell (author), SI Penttila (author), H Postma (author), D Rich (author), NR Roverson (author), JD Bowman (author), SJ Seestrom (author), EI Sharapov (author), SL Stephenson (author), YF Yen (author), VW Yuan (author), B Cain (author), BE Crawford (author), PPJ Delheij (author), RD Hartman (author), T Haseyama (author), CD Keith (author), JN Knudson (author)