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Journal Article
Helliwell, RA, Katsufrakis JP.  1974.  VLF Wave Injection Into the MagnetosphereF rom Siple Station, Antarctica. JOURNAL OF GEOPHYSICAL RESEARCH. 79
Helliwell, RA.  1988.  VLF wave stimulation experiments in the magnetosphere from Siple Station, Antarctica. Reviews of Geophysics. 26:551-578.
Helliwell, RA.  1988.  VLF wave-injection experiments from Siple Station, Antarctica. Advances in Space Research. 8:279-289.
Helliwell, RA.  1988.  VLF wave-injection experiments from Siple Station, Antarctica. Advances in Space Research. 8:279-289.
Helliwell, RA.  1988.  VLF wave-injection experiments from Siple Station, Antarctica. Advances in Space Research. 8:279-289.
Helliwell, RA.  1988.  VLF wave-injection experiments from Siple Station, Antarctica. Advances in Space Research. 8:279-289.
Inan, US, Chang H  C, Helliwell RA, Katsufrakis J  P, Imhof W  L.  1985.  Wave-induced precipitation as a loss process for radiation belt particles. Advances in Space Research. 5:243-245.
Allcock, G  M, Branigan C  K, Mountjoy J  C, Helliwell RA.  1963.  Whistler and Other Very-Low-Frequency Phenomena Associated with the High-Altitude Nuclear Explosion on July 9, 1962. Journal of Geophysical Research. 68:735-739.
Park, CG, Helliwell RA.  1977.  Whistler precursors - A possible catalytic role of power line radiation. Journal of Geophysical Research. 82:3634-3642.
Helliwell, RA, Katsufrakis J  P, Trimpi M  L.  1973.  Whistler-Induced Amplitude Perturbation in VLF Propagation. Journal of Geophysical Research. 78:4679-4688.
Dunckel, N, Helliwell RA.  1969.  Whistler-Mode Emissions on the OGO 1 Satellite. Journal of Geophysical Research. 74:6371-6385.
Helliwell, RA.  1963.  Whistler-Triggered Periodic Very-Low-Frequency Emissions. Journal of Geophysical Research. 68:5387.
Helliwell, RA, Carpenter DL.  1962.  Whistler-west results from the IGY-IGC-59 synoptic program. Trans. AGU. 43(1):125.
Helliwell, RA, Carpenter DL.  1963.  Whistlers Excited by Nuclear Explosions. Journal of Geophysical Research. 68:4409.
Helliwell, RA.  1997.  Whistlers, Discovery of the Magnetosphere. History of Geophysics. 7:83-94.
Sonwalkar, VS, Helliwell RA, Inan US.  1990.  Wideband VLF electromagnetic bursts observed on the DE 1 satellite. Geophysical Research Letters. 17:1861-1864.
Conference Proceedings
Helliwell, RA.  1977.  Modification of the propagation characteristics of the ionosphere (and the magnetosphere) by injection into the magnetosphere of whistler-mode waves. AGARD Artificial Modification of Propagation Media 8 p (SEE N77-19530 10-42).
Mlodnosky, R  F, Carpenter DL, Helliwell RA.  1962.  Non-thermal noise measurements near planets. Int'l Astrophys. Symp. on the physics of Planets. 24:220-223.
Conference Paper
Inan, US, Bell TF, Helliwell RA.  1977.  Coherent wave induced particle precipitation into the upper atmosphere. NATO ASIC Proc. 35: Dynamical and Chemical Coupling Between the Neutral and Ionized Atmosphere. :169-174.
Helliwell, RA.  1963.  Coupling between the ionosphere and the earth-ionosphere waveguide at very low frequencies. The Ionosphere. :452.
Helliwell, RA.  1979.  Effects of power line radiation into the magnetosphere. Wave instabilities in space plasmas; Proceedings of the Symposium, Helsinki, Finland, July 31-August 8, 1978. (A80-21196 07-46) Dordrecht, D. Reidel Publishing Co., 1979, p. 27-36.. :27-36.
Helliwell, RA.  1979.  Effects of power line radiation into the magnetosphere. Wave instabilities in space plasmas; Proceedings of the Symposium, Helsinki, Finland, July 31-August 8, 1978. (A80-21196 07-46) Dordrecht, D. Reidel Publishing Co., 1979, p. 27-36.. :27-36.
Helliwell, RA.  1961.  Exospheric electron density variations deduced from whistlers. Symposium d'Aéronomie Communications. :95.
Helliwell, RA.  1970.  Intensity of Discrete VLF Emissions. Particles and Field in the Magnetosphere. 17:292.
Bell, TF, Inan US, Helliwell RA.  1980.  ISEE-1 satellite observations of VLF signals and associated triggered emissions from the Siple Station transmitter, IMS in Antarctica. First Int'l. Symposium on IMS in Melbourne. :128-144.