1

The frequency and intensity of comet showers from the Oort cloud

Year:
1987
Language:
english
File:
PDF, 1.39 MB
english, 1987
3

The influence of the Galactic tidal field on the Oort comet cloud

Year:
1986
Language:
english
File:
PDF, 996 KB
english, 1986
4

How dating uncertainties affect the detection of periodicity in extinctions and craters

Year:
1989
Language:
english
File:
PDF, 467 KB
english, 1989