TY  - RPRT
TI  - Some historical notes on Carl Pulfrich.
AU  - S Christianson
AU  - H W Hofstetter
PY  - 1972
DO  - 10.1097/00006324-197211000-00008
UR  - https://pubmed.ncbi.nlm.nih.gov/4564035/
ID  - 4564035
ER  -