Publication
From March to May 2023 four events occurred near Klimmen in Limburg. The origin time of the first...
Publication
The relation between the symmetry in halo displays and crystal symmetry is investigated for halo ...
Publication
The relation between the symmetry in halo displays and crystal symmetry is investigated for halo ...
Publication
Birefringence of ice causes the inner edges of refraction halos to be polarized. The direction of...
Publication