TY  - BOOK
AU  - Pirenne M H
AU  - Marriott F H C
AU  - O'Doherty E F
TI  - Individual differences in nightvision efficiency
U1  - 612.84 
PY  - 1957///
CY  - London
PB  - HMSO
KW  - Nightvision
KW  - Vision
N1  - With a section on the frequency of seeing at low illumination by H K Harline and P R McDonald
ER  -