TY  - RPRT
TI  - An automatic static perimeter, design and pilot study.
AU  - A Heijl
AU  - C E Krakau
PY  - 1975
DO  - 10.1111/j.1755-3768.1975.tb01161.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1174394/
ID  - 1174394
ER  -