Lee, Stephen, Cheung, Michael, Lee, Balance (2) Halliday, Stephen (1) Gray, Paul R. (university Of California, Hurst, Paul J. (university Of California, Lewis, Stephen H. (university Of California, Meyer, Robert G. (university Of California (1) Pemantle, Robin (university Of Pennsylvania), Wilson, Mark C. (university Of Massachusetts, Melczer, Stephen (university Of Waterloo (1) Dooley, Robert A, Levinsohn, Stephen H (1)