TY  - RPRT
TI  - Building retrofits for increased protection against airborne chemical and biological releases 
AU  - Persily, Andrew
AU  - Chapman, Robert E
AU  - Dols, Steven J Emmerich W Stuart
AU  - Lavappa, Heather Davis Priya
AU  - Rishing, Amy
PY  - 2007
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 7379
DO  - 10.6028/NIST.IR.7379
ER  -