TY  - GEN
AU  - Snoke, Hubert R
AU  - Waldron, Leo J
C2  - , National Institute of Standards and Technology, Gaithersburg, MD
DA  - 1941-01-01 05:01:00
DO  - https://doi.org/10.6028/NBS.BMS.75
LA  - en
PB  - , National Institute of Standards and Technology, Gaithersburg, MD
PY  - 1941
TI  - Survey of roofing materials in the north central states:
ER  -