TY  - RPRT
TI  - Structural properties of one of the "keystone beam steel floor" constructions sponsored by the H. H. Robertson company 
AU  - Whittemore, Herbert L
AU  - Stang, Ambrose H
AU  - Fishburn, Cyrus C
PY  - 1938
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS BMS 10
DO  - 10.6028/NBS.BMS.10
ER  -