1.
Observation of electron and ion fluxes in the vicinity of Mars with the HARP spectrometer
by Shutte, N. M
Nature (London), 1989, Vol.341 (6243), p.614-616

2.
Structure and dynamics of the ionosphere
by Nagy, A.F
Nature (London), 1982, Vol.296 (5852), p.19-19

3.
Possible chemical impact of planetary lightning in the atmospheres of Venus and Mars
by CHAMEIDES, W. L
Nature (London), 1979, Vol.280 (5725), p.820-822

4.
Hot hydrogen in the exosphere of Venus
by Cravens, T. E
Nature (London), 1980, Vol.283 (5743), p.178-180
