TY  - RPRT
TI  - Observations Regarding Face Covering Designs Using Commonly Available Materials
AU  - Rossman, Grant Andrew
AU  - Avina, Isaac C.
AU  - Steinfeldt, Bradley Alexander
PY  - 2020
DO  - 10.2172/1619913
UR  - https://www.osti.gov/biblio/1619913
ID  - 1619913
ER  -