Литература:
The Calar Alto Observatory: current status and future instrumentation / D. Barrado, U. Thiele, J. Aceituno [et al.] // Highlights of Spanish Astrophysics VI : proceedings of the IX Scientific Meeting of the Spanish Astronomical Society (Sea) held on September 13–17, 2010, in Madrid, Spain / ed. by M. R. Zapatero Osorio [et al.]. – Barcelona : Sociedad Española de Astronomía, 2011. – P. 637–646.