TY  - RPRT
TI  - Two poles and a compass.
AU  - Ruedi Meili
AU  - Richard A Firtel
PY  - 2003
DO  - 10.1016/s0092-8674(03)00553-1
UR  - https://pubmed.ncbi.nlm.nih.gov/12887916/
ID  - 12887916
ER  -