TY  - RPRT
TI  - Why particles?
AU  - Kirk R Smith
AU  - Matti Jantunen
PY  - 2002
DO  - 10.1016/s0045-6535(02)00235-7
UR  - https://pubmed.ncbi.nlm.nih.gov/12492155/
ID  - 12492155
ER  -