TY  - CHAP
A1  - Cranach, Mario von
A1  - Ellgring, Johann Heinrich
T1  - Problems in the recognition of gaze direction
N2  - No abstract available
Y1  - 1973
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-42147
ER  -