Reffert, S., Kroupa, P., & Röser, S. (1998). Poper motion study of the Orion Nebula Cluster. Abstracts of contributed talks and posters presented at the annual scientific meeting of the Astronomische Gesellschaft at Heidelberg, September 14 - 19, 1998.
Chicago Style (17th ed.) CitationReffert, Sabine, Pavel Kroupa, and Siegfried Röser. "Poper Motion Study of the Orion Nebula Cluster." Abstracts of Contributed Talks and Posters Presented at the Annual Scientific Meeting of the Astronomische Gesellschaft at Heidelberg, September 14 - 19, 1998 1998.
MLA (9th ed.) CitationReffert, Sabine, et al. "Poper Motion Study of the Orion Nebula Cluster." Abstracts of Contributed Talks and Posters Presented at the Annual Scientific Meeting of the Astronomische Gesellschaft at Heidelberg, September 14 - 19, 1998, 1998.