TY  - RPRT
TI  - A method for continuous recording of movement.
AU  - P MAKELA
AU  - K OSTERLUND
AU  - E I WALLGREN
PY  - 1959
DO  - 10.1111/j.1748-1716.1959.tb01677.x
UR  - https://pubmed.ncbi.nlm.nih.gov/13626603/
ID  - 13626603
ER  -