by Whitmore, Bradley C., Jenkner, Helmut, Miller, Warren, Koekemoer, Anton M.
Published in Proceedings of the International Astronomical Union (01.08.2006)

by Jenkner, Helmut
Published in Astrophysics and space science (01.07.1994)

by Lasker, Barry M., Sturch, Conrad R., Lopez, Carlos, Mallamas, Anthony D., McLaughlin, Steven F., Russell, Jane L., Wisniewski, Wieslaw Z., Gillespie, Bruce A., Jenkner, Helmut, Siciliano, Elizabeth D., Kenny, Deborah, Baumert, John H., Goldberg, Alan M., Henry, Gregory W., Kemper, Edward, Siegel, Michael J.
Published in The Astrophysical journal. Supplement series (01.09.1988)