TY  - CHAP
A1  - Ellgring, Johann Heinrich
T1  - Introduction. The use of Video for behavior description and intervention
N2  - No abstract available
Y1  - 1991
UR  - https://opus.bibliothek.uni-wuerzburg.de/frontdoor/index/index/docId/3669
UR  - https://nbn-resolving.org/urn:nbn:de:bvb:20-opus-42019
ER  -