authors Kleinhofs, A Kilian, A Saghai Maroof, M A Biyashev, R M Hayes, P Chen, F Q Lapitan, N Fenwick, A Blake, T K Kanazin, V Ananiev, E Dahleen, L Kudrna, D Bollinger, J Knapp, S J Liu, B Sorrells, Mark Earl Heun, M Franckowiak, J D Hoffman, D Skadsen, R Steffenson, B J