"Interstellar matter." . . "Milky Way Congresses." . . . . . "The interstellar disk-halo connection in galaxies : proceedings of the 144th Symposium of the International Astronomical Union, held in Leiden, the Netherlands ... 1990"@en . . . "Kongress" . . . . . . . "The interstellar disk-halo connection in galaxies : proceedings of the 144th Symposium of the International Astronomical Union, held in Leiden, The Netherlands, June 18 - 22, 1990" . "Congressen (vorm)" . . . "The interstellar disk-halo connection in galaxies : proceedings of the 144th symposium of the International Astronomical Union, held in Leiden, The Netherlands, June 18-22, 1990" . . . "The interstellar disk-halo connection in galaxies : proceedings of the 144th Symposium of the International astronomical union, held in Leiden, the Netherlands, June 18-22, 1990" . . . . . . . . . . . "The Interstellar disk-halo connection in galaxies : proceedings of the 144th Symposium of the International Astronomical Union, held in Leiden, the Netherlands, june 18-22, 1990" . . . . . . . . . . "The interstellar disk-halo connection in galaxies : proceedings of the 144th symposium of the International Astronomical Union held in Leiden, The Netherlands, June 18-22, 1990" . . . . . "The interstellar disk-halo connection in galaxies : proceedings of the 144th Symposium of the International Astronomical Union, held in Leiden, The Netherlands, June 18-22, 1990" . . . . . . "The Interstellar disk-halo connection in galaxies : proceedings of the 144. symposium of the International Astronomical Union, held in Leiden, the Netherlands, June 18-22, 1990" . . . . . . . "The interstellar disk-halo connection in galaxies : proceedings of the 144th Symposium of the International Astronomical Union, held in Leiden, the Netherlands, June 18-22, 1990" . . . . "The interstellar disk-halo connection in galaxies proceedings of the 144th Symposium of the International Astronomical Union, held in Leiden, the Netherlands, June 18-22, 1990"@en . . . . . "The interstellar disk-halo connection in galaxies : proceedings of the 144th Symposium of the International Astronomical Union, held in Leiden, June 18-22, 1990" . . . . . "Conference papers and proceedings"@en . "Conference papers and proceedings" . . . . . . . . . "Halo's." . . "International astronomical union." . . "galaxie milieu interstellaire [congrès]" . . "Schijven (sterrenkunde)" . . "Galaxies Congrès." . . "Halos galactiques Congrès." . . "Disks (Astrophysics) Congresses." . . "Disks (Astrophysics)" . . "Voie lactée Congrès." . . "Matière interstellaire Congrès." . . "Symposium of the International Astronomical Union (144 : 18/22-06-1990 : Leiden)" . . . "Matèria interstel·lar" . . "Union astronomique internationale. Symposium" . . "Kongress." . . "Symposium of the International Astronomical Union (144 ; 1990 ; Lejda)." . . . "Sterrenstelsels." . . . . "Interstellar matter Congresses." . . "Galaktischer Halo." . . "Astrofísica Congressos." . . "Galactic halos Congresses." . . "Disques (Astrophysique) Congrès." . . "Disques (astrophysique) Congrès." . "Milky Way" . . "Via Làctia" . . "galaxie (notre) milieu interstellaire [congrès]" . . "Congressos i conferències" . . "Deep space" . . "International Astronomical Union. Symposium" . . "Unió Astronòmica Internacional. Symposium" . . "Interstellare Materie." . . "International Astronomical Union. (144 : 1990 : Leiden, Holland)" . . . "Galaxies Congresses." . . "Voie lactée" . . "Galactic halos." . . "International Astronomical Union. (144 : 1990 : Leiden)" . . . "Union astronomique internationale. (144 : 1990 : Leyde, Pays-Bas)" . . . "Estels Congressos." . . "Galàxies" . . "Galaxies." .