TY  - RPRT
TI  - Letter: SI units.
AU  - A M Bold
AU  - P Wilding
PY  - 1975
DO  - 10.1016/s0140-6736(75)90260-3
UR  - https://pubmed.ncbi.nlm.nih.gov/53352/
ID  - 53352
ER  -