Impey, C. D.; Sprayberry, D.; Irwin, M. J. & Bothun, G. D. (1996). "Low Surface Brightness Galaxies in the Local Universe. I. The Catalog". The Astrophysical Journal Supplement Series. 105: 209. Bibcode:1996ApJS..105..209I. doi:10.1086/192313.
Dinshaw, N.; Foltz, C. B.; Impey, C. D.; Weymann. R. J. & Moris, S. L. (1995). "Large size of Lyman-a gas clouds at intermediate redshifts". Nature. 373 (6511): 223–225. Bibcode:1995Natur.373..223D. doi:10.1038/373223a0. S2CID4267254.
Impey, C. D.; Sprayberry, D.; Irwin, M. J. & Bothun, G. D. (1996). "Low Surface Brightness Galaxies in the Local Universe. I. The Catalog". The Astrophysical Journal Supplement Series. 105: 209. Bibcode:1996ApJS..105..209I. doi:10.1086/192313.
Dinshaw, N.; Foltz, C. B.; Impey, C. D.; Weymann. R. J. & Moris, S. L. (1995). "Large size of Lyman-a gas clouds at intermediate redshifts". Nature. 373 (6511): 223–225. Bibcode:1995Natur.373..223D. doi:10.1038/373223a0. S2CID4267254.
Dinshaw, N.; Foltz, C. B.; Impey, C. D.; Weymann. R. J. & Moris, S. L. (1995). "Large size of Lyman-a gas clouds at intermediate redshifts". Nature. 373 (6511): 223–225. Bibcode:1995Natur.373..223D. doi:10.1038/373223a0. S2CID4267254.