TY  - RPRT
TI  - A new theory on the image producing elements in pantomographic methods.
AU  - O Nyström
AU  - U Welander
PY  - 1972
DO  - 10.1259/dmfr.1972.0002
UR  - https://pubmed.ncbi.nlm.nih.gov/4510441/
ID  - 4510441
ER  -