B. Brandl, W. Brandner, E.K. Grebel AND H. Zinnecker: "VLT/ISAAC and HST/WFPC2 Observations of NGC 3603" , (The Messenger, No. 98 – December 1999, European Organisation for Astronomical Research in the Southern Hemisphere, Garching, Germany)[1][ligação inativa]
KH Hofmann, G Weigelt, W Seggewiss: "Resolution and evolution of the core of the giant HII region NGC 3603" (Symposium-International Astronomical Union, 1995)
[2]Arquivado em 25 de maio de 2011, no Wayback Machine.
KH Hofmann, G Weigelt, W Seggewiss: "Resolution and evolution of the core of the giant HII region NGC 3603" (Symposium-International Astronomical Union, 1995)
[2]Arquivado em 25 de maio de 2011, no Wayback Machine.