TY  - RPRT
TI  - Frequency analysis of accommodation, accommodative vergence and disparity vergence.
AU  - V V Krishnan
AU  - S Phillips
AU  - L Stark
PY  - 1973
DO  - 10.1016/0042-6989(73)90013-8
UR  - https://pubmed.ncbi.nlm.nih.gov/4719086/
ID  - 4719086
ER  -