TY  - GEN
AU  - Howard,David M
TI  - Intonation drift in a capella soprano, alto, tenor, bass quartet singing with key modulation
SN  - 0892-1997
PY  - 2007///0731
KW  - Cooperative Behavior
KW  - Glottis
KW  - physiology
KW  - Humans
KW  - Occupations
KW  - Sound Spectrography
KW  - Voice Quality
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1016/j.jvoice.2005.12.005
ER  -