TY  - RPRT
TI  - Ergonomic design interventions--a case study involving portable ladders.
AU  - Gareth W Shepherd
AU  - Roger J Kahler
AU  - Jean Cross
PY  - 2006
DO  - 10.1080/00140130600576454
UR  - https://pubmed.ncbi.nlm.nih.gov/16540436/
ID  - 16540436
ER  -