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by Bergeron, J.; Society of Photo-Optical Instrumentation Engineers; European Southern Observatory
by Oschmann, Jacobus M., Jr.; De Graauw, Mattheus W.; Macewen, Howard A.
by Atad-ettedgui, Eli; Lemke, Dietrich
by Turner, Martin J.; Flanagan, Kathryn A.
by Oswalt, Terry D.; McLean, Ian S.
by Humphries, C. M.
by Edited by Jose M. Rodriguez Espinosa , Artemio Herrero , Francisco Sánchez