TY  - BOOK
AU  - Parker, W J 
AU  - Paabo, M 
AU  - Scott, J T 
TI  - Fire endurance of gypsum board walls and chases containing plastic and metallic drain, waste and vent plumbing systems  
PY  - 1975///
CY  - Washington: 
PB  - U.S Department of Commerce, 
KW  - Building materials
KW  - Walls
KW  - Wood
ER  -