Spectral Observations of Spicules at Two Heights in the Solar ChromosphereDOI: info:10.1007/BF00147962v. 5131–158
Pasachoff, Jay M., Noyes, Robert W., and Beckers, Jacques M. 1968. "Spectral Observations of Spicules at Two Heights in the Solar Chromosphere." Solar Physics, 5 131–158. https://doi.org/10.1007/BF00147962.