TY  - RPRT
TI  - Prediction of annual sunspot numbers 
AU  - McNish, A G
AU  - Lincoln, J V
PY  - 1947
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CRPL 1-1
DO  - 10.6028/NBS.CRPL.1-1
ER  -