The distribution of solar flares and probable relations to biological effects Basile PetropoulosConstantine Poulakos OriginalPaper Pages: 1 - 19
The motion of artificial satellites in the set of Eulerian redundant parameters Mohammed Adel SharafMervat El-Sayed AwadSamiha Al-Sayed Abdullah Najmuldeen OriginalPaper Pages: 21 - 44
Multiple-impact mechanisms on Venus and other solid planets and satellites Kent D. Trego Letter to the Editor Pages: 69 - 72