TY  - RPRT
TI  - A failure hypothesis for masonry shearwalls 
AU  - Yokel, Felix Y
AU  - Fattal, S George
PY  - 1975
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 75-703
DO  - 10.6028/NBS.IR.75-703
ER  -