@misc{indiciae1825d8f40d36, title = {An automatic static perimeter, design and pilot study.}, author = {A Heijl and C E Krakau}, year = {1975}, doi = {10.1111/j.1755-3768.1975.tb01161.x}, url = {https://pubmed.ncbi.nlm.nih.gov/1174394/}, note = {Source identifier: 1174394} }