@article{doi:10.1001/archopht.1933.00830010840007,
author = {Lyle DJ},
title = {A stereoscopic fixation attachment for the perimeter},
journal = {Archives of Ophthalmology},
volume = {9},
number = {5},
pages = {817-820},
year = {1933},
doi = {10.1001/archopht.1933.00830010840007},
URL = { + http://dx.doi.org/10.1001/archopht.1933.00830010840007},
eprint = {/data/Journals/OPHTH/16994/archopht_9_5_007.pdf}
}