TY  - JOUR
AU  - Sato, Hideaki
AU  - Kikuchi, Tsuneo
AU  - Tsuchiya, Yoshihiro
TI  - On the effects of the unnecessary external light on the screen for OHP which has influence on the eyesight
T2  - Research reports of the Tsuruoka Technical College
SN  - 02861232
PY  - 1979
DA  - 1979/07/25
VL  - 13
SP  - 137-148
UR  - http://ci.nii.ac.jp/naid/110000260266/en/
ER  -