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Citation: An. Cha et al., The local interstellar medium in Puppis-Vela, ASTROPH J S, 129(1), 2000, pp. 281-294

Authors: Hoogerwerf, R Blaauw, A

Citation: R. Hoogerwerf et A. Blaauw, The Hipparcos, Tycho, TRC, and ACT catalogues - A whole sky comparison of the proper motions, ASTRON ASTR, 360(1), 2000, pp. 391-398

Authors: Blaauw, A

Citation: A. Blaauw, Stellar evolution and the population concept after 1950; The Vatican Conference, ASTRO SP SC, 267(1-4), 1999, pp. 45-54

Authors: King, IR van den Bergh, S Freeman, KC Gilmore, G Blaauw, A van der Kruit, PC Mould, JR Harris, HC Harris, WE Poggianti, BM Tayler, R Pismis, P Samus, N

Citation: Ir. King et al., Panel discussion on the classification and terminology of stellar populations, ASTRO SP SC, 267(1-4), 1999, pp. 373-384

Authors: de Zeeuw, PT Hoogerwerf, R de Bruijne, JHJ Brown, AGA Blaauw, A

Citation: Pt. De Zeeuw et al., A Hipparcos census of the nearby OB associations, ASTRONOM J, 117(1), 1999, pp. 354-399