TY  - RPRT
TI  - [Video densitometry with flexible window size using light-limiting diaphragm].
AU  - W D Bussmann
AU  - R Zimmermann
AU  - M Schmidt
AU  - W Ameling
AU  - S Effert
PY  - 1972
UR  - https://pubmed.ncbi.nlm.nih.gov/4344717/
ID  - 4344717
ER  -