TY  - BOOK
AU  - Bray,J.L
AU  - Hite,S C.
AU  - Bray,J.L
TI  - Research in venting direct gas heaters when no chimmey connections are avaiable (report No.2)
T2  - Research Series ; 
PY  - 1948///
CY  - Indiana : 
PB  - Purdue University, 
ER  -