TY  - RPRT
TI  - The AFL penetrometer study: work in progress.
AU  - J Orchard
PY  - 2001
DO  - 10.1016/s1440-2440(01)80032-3
UR  - https://pubmed.ncbi.nlm.nih.gov/11548921/
ID  - 11548921
ER  -