TY  - RPRT
TI  - Laboratory evaluation of six selected commercially available materials as stabilizers for asphalt roofing 
AU  - Greenfeld, Sidney H
PY  - 1953
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 2809
DO  - 10.6028/NBS.RPT.2809
ER  -