TY  - RPRT
TI  - Size-selective samplers for estimating "respirable" dust concentrations.
AU  - M LIPPMANN
AU  - W B HARRIS
DO  - 10.1097/00004032-196204000-00010
UR  - https://pubmed.ncbi.nlm.nih.gov/14465740/
ID  - 14465740
ER  -