TY  - RPRT
TI  - Perceived bending motions from a quadrangle changing form.
AU  - G Jansson
AU  - S Runeson
PY  - 1977
DO  - 10.1068/p060595
UR  - https://pubmed.ncbi.nlm.nih.gov/593792/
ID  - 593792
ER  -