KH 15D: detection of significant structure in the circumstellar disk of a pre-main sequence star. Hamilton, C. ; Herbst, W. ; Bailer-Jones, C. ; Mundt, R. ; Lamm, M. ; Vrba, F. ; Ibragimov, M. ; Mazeh, T. ; Webster, Z. T. ; Haisch, K. ; Williams, W. ; Rhodes, A. ; Balonek, T. ; Scholz, A. ; Riffeser, A. Abstract Publication: Astronomische Gesellschaft Abstract Series Pub Date: 2002 Bibcode: 2002AGAb...19R..14H