TY  - RPRT
TI  - Quality specifications.
AU  - P Hyltoft Petersen
AU  - C H de Verdier
PY  - 1990
DO  - 10.3109/03009739009178601
UR  - https://pubmed.ncbi.nlm.nih.gov/2100404/
ID  - 2100404
ER  -