TY  - RPRT
TI  - Personal size-separating impactor for sampling microbiological aerosols.
AU  - J M Macher
AU  - H C Hansson
PY  - 1987
DO  - 10.1080/15298668791385354
UR  - https://pubmed.ncbi.nlm.nih.gov/3618478/
ID  - 3618478
ER  -