TY  - RPRT
TI  - Expert consensus in solo voice performance evaluation.
AU  - J Wapnick
AU  - E Ekholm
PY  - 1997
DO  - 10.1016/s0892-1997(97)80039-2
UR  - https://pubmed.ncbi.nlm.nih.gov/9422277/
ID  - 9422277
ER  -