TY  - RPRT
TI  - Pull-out strengths of closely spaced drilled-in-inserts in concrete 
AU  - Leyendecker, E V
PY  - 1970
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 10192
DO  - 10.6028/NBS.RPT.10192
ER  -