Oschmann, J. Ground-based Telescopes. SPIE Digital Library.
Cita Chicago (17th ed.)Oschmann, Jim. Ground-based Telescopes. SPIE Digital Library.
Cita MLA (9th ed.)Oschmann, Jim. Ground-based Telescopes. SPIE Digital Library.
Atenció: Aquestes cites poden no estar 100% correctes.