TY  - RPRT
TI  - [Method and apparatus setup for preparing test dusts with a specified granulometric composition by air separation].
AU  - S Nikolova
AU  - A Kovachev
AU  - A Angelov
PY  - 1987
UR  - https://pubmed.ncbi.nlm.nih.gov/2831535/
ID  - 2831535
ER  -