The relation of a biological puzzle to the origin of ice-ages and to other phenomena Fred Hoyle OriginalPaper Pages: 1 - 15
Study of periodic comet Encke during its apparition in 1984 P. S. GorayaB. S. RautelaB. B. Sanwal OriginalPaper Pages: 53 - 58
The effect of a sector boundary crossing on the cometary dust tail M. HoranyiD. A. Mendis OriginalPaper Pages: 71 - 77
An empirical model for the 11-year cosmic-ray modulation H. MavromichalakiB. Petropoulos OriginalPaper Pages: 79 - 88
Radar characteristics of small craters: Implications for Venus Ronald GreeleyPhilip R. ChristensenJohn F. McHone OriginalPaper Pages: 89 - 111
