Publisher
Springer Science and Business Media LLC
Subject
Space and Planetary Science,Astronomy and Astrophysics
Reference8 articles.
1. Brosche, P.: 1966,Ver�ff. des Astronomisches Rechen-Institut, No. 17, Heidelberg.
2. Elmegreen, D. M.: 1987, in H. Van W�rdenet al. (eds.), ?The Milky Way?,IAU Symp. 106, 255.
3. Figueras, F.: 1986, Ph.D. Thesis, University of Barcelona.
4. Frogel, J. A. and Stothers, R.: 1977,Astron. J. 82, 890.
5. Kerr, F. J. and Lynden-Bell, D.: 1986,Monthly Notices Roy. Astron. Soc. 221, 1023.