254.
| Outreach Article Solar active phenomena
/ Koeckelenbergh, A.
published in Ciel Terre, 97, pp. 125-136 (1981)
[SIDCimport-42]
|
255.
| Outreach Article Sunspot Index Data Center
/ Koeckelenbergh, A.
published in Sky and Telescope, 61, pp. 216++ (1981)
[SIDCimport-41]
|
256.
| Outreach Article A statistical study of associations between the magnetic fields of groups of sunspots and the morphology of solar flares and bursts on the decimetric wave range
/ Koeckelenbergh, A.
published in Ciel Terre, 91, pp. 1-15 (1975)
[SIDCimport-40]
|
257.
| Outreach Article Comment utiliser nos Ephemerides
/ Koeckelenbergh, A.
published in Ciel Terre, 109, pp. 4++ (1993)
[SIDCimport-36]
|
258.
| Outreach Article Ephemerides Astronomiques pour 1994
/ Cugnon, P. ; Koeckelenbergh, A. ; Evrard, G.
published in Ciel Terre, 109 (1993)
[SIDCimport-35]
|
259.
| Outreach Article Ephemerides Astronomiques pour 1995
/ Cugnon, P. ; Koeckelenbergh, A. ; Evrard, G.
published in Ciel Terre, 109 (1994)
[SIDCimport-27]
|
260.
| Outreach Article Ephemerides Astronomiques pour 1996
/ Cugnon, P. ; Koeckelenbergh, A. ; Evrard, G.
published in Ciel Terre, 110 (1995)
[SIDCimport-25]
|
261.
| Outreach Article Le Soleil, de la photosphere à la couronne
/ Sauval, J. ; Clette, F.
published in Nouvelles de la Science et des Technologies, 13, pp. 37 (1995)
[SIDCimport-20]
|
262.
| Outreach Article Ephemerides Astronomiques pour 1997
/ Cugnon, P. ; Koeckelenbergh, A. ; Evrard, G.
published in Ciel Terre, 111 (1996)
[SIDCimport-16]
|
263.
| Outreach Article Ephemerides Astronomiques pour 1998
/ Cugnon, P. ; Koeckelenbergh, A. ; Evrard, G.
published in Ciel Terre, 112 (1997)
[SIDCimport-1]
|