1. Acker, A., Marcout, J., & Ochsenbein, F. 1996, First Supplement to the SECGPN (Observatoire de Strasbourg)
2. Acker, A., Ochsenbein, F., Stenholm, B., et al. 1994, VizieR Online Data Catalog, 5084
3. Beichman, C. A., Neugebauer, G., Habing, H. J., Clegg, P. E., & Chester, T. J. 1988, Infrared astronomical satellite (IRAS) catalogs and atlases, Explanatory supplement, 1
4. A catalogue of symbiotic stars
5. The UKIRT wide-field camera