Affiliation: | a Graduate Program in Acoustics, The Pennsylvania State University, 157 Hammond Bldg. State College, PA, 16802, U.S.A.b Institute of Sound and Vibration Research, University of Southampton, SO17 1BJ, Southampton, Englandc Center for Acoustics and Vibration, The Pennsylvania State University, 157 Hammond Bldg. State College, PA, 16802, U.S.A. |