TY  - RPRT
TI  - Design parameters for stack-mounted light extinction measurement devices 
AU  - Putorti, Anthony D Jr
PY  - 1999
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 6215
DO  - 10.6028/NIST.IR.6215
ER  -