TY  - BOOK
AU  - Hudson, W.
TI  - Pictorial depth perception in sub-cultural groups in Africa
U1  - P 152.14 H83 
PY  - 1960///
CY  - Johannesburg
PB  - National Institute for Personnel Research
KW  - Picture interpretation tests
KW  - Projection (Psychology)
N1  - Detached from The Journal of Social Psychology, v. 52
ER  -