Acoustical Society of America (ASA), 1994

American Association of Physics Teachers (AAPT), 1994

Springer Science and Business Media LLC, 1994

American Association of Physics Teachers (AAPT), 1994

Acoustical Society of America (ASA), 1993

American Association of Physics Teachers (AAPT), 1993

American Association of Physics Teachers (AAPT), 1993

Acoustical Society of America (ASA), 1993

American Association of Physics Teachers (AAPT), 1993

American Association of Physics Teachers (AAPT), 1992

American Association of Physics Teachers (AAPT), 1992

Acoustical Society of America (ASA), 1992

Acoustical Society of America (ASA), 1992

American Association of Physics Teachers (AAPT), 1991

American Association of Physics Teachers (AAPT), 1991

Acoustical Society of America (ASA), 1991

American Association of Physics Teachers (AAPT), 1991

American Association of Physics Teachers (AAPT), 1991

Acoustical Society of America (ASA), 1990

Acoustical Society of America (ASA), 1990