TY  - RPRT
TI  - [Air pathogen count using an electronic counting device (colony counter)].
AU  - E Gärttner
AU  - W Müller
AU  - F Farmanara
PY  - 1975
UR  - https://pubmed.ncbi.nlm.nih.gov/1163179/
ID  - 1163179
ER  -