TY  - GEN
AU  - Greenfeld, Sidney H
C2  - , National Institute of Standards and Technology, Gaithersburg, MD
DA  - 1956-01-01 05:01:00
DO  - https://doi.org/10.6028/NBS.RPT.4732
LA  - en
PB  - , National Institute of Standards and Technology, Gaithersburg, MD
PY  - 1956
TI  - Report on the evaluation of twenty-one coating-grade roofing asphalts:
ER  -