TY  - RPRT
TI  - Foot-ground forces on sloping ground when lifting.
AU  - Y Zhao
AU  - S K Upadhyaya
AU  - M S Kaminaka
PY  - 1987
DO  - 10.1080/00140138708966057
UR  - https://pubmed.ncbi.nlm.nih.gov/3443091/
ID  - 3443091
ER  -