TY  - RPRT
TI  - Clockwise or counterclockwise.
AU  - J B Roane
AU  - C Sabala
PY  - 1984
DO  - 10.1016/s0099-2399(84)80153-3
UR  - https://pubmed.ncbi.nlm.nih.gov/6590743/
ID  - 6590743
ER  -