TY  - RPRT
TI  - Counting errors due to overlapping particles in thermal precipitator samples.
AU  - S A ROACH
PY  - 1958
DO  - 10.1136/oem.15.4.250
UR  - https://pubmed.ncbi.nlm.nih.gov/13596547/
ID  - 13596547
ER  -