TY  - RPRT
TI  - Formula thinking, formula science and kits.
AU  - P G Kevan
AU  - J T Trevors
PY  - 2001
DO  - 10.1016/s0167-7012(01)00284-6
UR  - https://pubmed.ncbi.nlm.nih.gov/11412918/
ID  - 11412918
ER  -