Tapping K.F. (1987). “Recent solar radio astronomy at centimeter wavelength: the temporal variability of the 10.7-cm flux”. 《J. Geophys. Res.》 92 (D1): 829–838. Bibcode:1987JGR....92..829T. doi:10.1029/JD092iD01p00829.
Tapping K.F. (1987). “Recent solar radio astronomy at centimeter wavelength: the temporal variability of the 10.7-cm flux”. 《J. Geophys. Res.》 92 (D1): 829–838. Bibcode:1987JGR....92..829T. doi:10.1029/JD092iD01p00829.