TY  - RPRT
TI  - Circular of the Bureau of Standards no. 539 volume 7: standard x-ray diffraction powder patterns
AU  - Swanson, Howard E
AU  - Cook, Marlene I
PY  - 1957
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 539v7
DO  - 10.6028/NBS.CIRC.539v7
ER  -