TY  - RPRT
TI  - Force system developed from closed coil springs.
AU  - B Melsen
AU  - L F Topp
AU  - H M Melsen
AU  - S Terp
PY  - 1994
DO  - 10.1093/ejo/16.6.531
UR  - https://pubmed.ncbi.nlm.nih.gov/7720798/
ID  - 7720798
ER  -