TY  - RPRT
TI  - U.S. postal system roofing practices 
AU  - Rossiter, Walter J
AU  - Cullen, William C
AU  - Mathey, Robert G
PY  - 1985
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 85-3275
DO  - 10.6028/NBS.IR.85-3275
ER  -