1. Bornmann, P.L., Speich, D., Hirman, J., et al. GOES X-ray sensor and its uses in predicting solar-terrestrial disturbances, in: Proc. of SPIE on GOES-8 and Beyond, vol. 2812, pp. 291–298, 1996.
2. The NASA/NSO spectromagnetograph;Jones;Solar Physics,1992
3. Keller, C.U., and the SOLIS Team. The SOLIS vector spectromagnetograph, in: Michael Sigwarth (Ed.), Advanced Solar Polarimetry – Theory, Observation, and Instrumentation – 20th NSO/Sac Summer Workshop, ASP Conference Proceedings, vol. 36. Astronomical Society of the Pacific, San Francisco, pp. 16–24, 2001, ISBN: 1-58381-073-0.
4. Kitt Peak 60-cm vacuum telescope;Livingston;Applied Optics,1976
5. Solar magnetograph employing integrated diode arrays;Livingston;Applied Optics,1976