TY  - GEN
AU  - Critchell,Richard A.
ED  - ASTM Committee D-8 on Roofing, Waterproofing, and Bituminous Materials.
TI  - Roofing research and standards development: a syposium 
PY  - 1987///
CY  - Philadelphia, PA
PB  - ASTM
KW  - Roofing
KW  - Roofing, Bitumonous
ER  -