TY  - RPRT
TI  - Structural properties of a concrete-block cavity-wall construction sponsored by the National Concrete Masonry Association 
AU  - Whittemore, Herbert L
AU  - Stang, Ambrose H
AU  - Parsons, Douglas E
PY  - 1939
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS BMS 21
DO  - 10.6028/NBS.BMS.21
ER  -