Contreras, C. S.; Sahai, R.; Gil de Paz, A. (Ekim 2002). "Physical structure of the protoplanetary nebula CRL618. I. Optical long-slit spectroscopy and imaging". Astrophysical Journal. 578 (1). ss. 269-289. arXiv:astro-ph/0206200 $2. Bibcode:2002ApJ...578..269S. doi:10.1086/342316.KB1 bakım: Birden fazla ad: yazar listesi (link)
doi.org
Westbrook, W. E.; Gezari, D. Y.; Hauser, M. G.; Werner, M. W.; Elias, J. H.; Neugebauer, G.; Lo, K. Y. (1976). "One-millimeter continuum emission studies of four molecular clouds". Astrophysical Journal. Cilt 209. ss. 94-101. Bibcode:1976ApJ...209...94W. doi:10.1086/154695.KB1 bakım: Birden fazla ad: yazar listesi (link)
Contreras, C. S.; Sahai, R.; Gil de Paz, A. (Ekim 2002). "Physical structure of the protoplanetary nebula CRL618. I. Optical long-slit spectroscopy and imaging". Astrophysical Journal. 578 (1). ss. 269-289. arXiv:astro-ph/0206200 $2. Bibcode:2002ApJ...578..269S. doi:10.1086/342316.KB1 bakım: Birden fazla ad: yazar listesi (link)
harvard.edu
adsabs.harvard.edu
Westbrook, W. E.; Gezari, D. Y.; Hauser, M. G.; Werner, M. W.; Elias, J. H.; Neugebauer, G.; Lo, K. Y. (1976). "One-millimeter continuum emission studies of four molecular clouds". Astrophysical Journal. Cilt 209. ss. 94-101. Bibcode:1976ApJ...209...94W. doi:10.1086/154695.KB1 bakım: Birden fazla ad: yazar listesi (link)
Contreras, C. S.; Sahai, R.; Gil de Paz, A. (Ekim 2002). "Physical structure of the protoplanetary nebula CRL618. I. Optical long-slit spectroscopy and imaging". Astrophysical Journal. 578 (1). ss. 269-289. arXiv:astro-ph/0206200 $2. Bibcode:2002ApJ...578..269S. doi:10.1086/342316.KB1 bakım: Birden fazla ad: yazar listesi (link)