TY  - RPRT
TI  - Formant frequency development: 15 to 36 months.
AU  - H R Gilbert
AU  - M P Robb
AU  - Y Chen
PY  - 1997
DO  - 10.1016/s0892-1997(97)80003-3
UR  - https://pubmed.ncbi.nlm.nih.gov/9297669/
ID  - 9297669
ER  -