UV spectra of the twin QSOs 0957+561 A, B
Gondhalekar, P. M.; Wilson, R.
Nature, vol. 285, June 12, 1980, p. 461-463.
1980NATUR.285..461

Weighted slit extraction of low-dispersion IUE spectral data
Kinney, A. L.; Bohlin, R. C.; Neill, J. D.
Astronomical Society of the Pacific, Publications, vol. 103, July 1991, p. 694-711.
1991PASP..103..694

IUE-ULDA access guide no. 4A: International Ultraviolet Explorer-Uniform Low Dispersion Archive active galactic nuclei, volume A
Courvoisier, Thierry J.-L.; Paltani, Stephane
ESA-SP 1153A IUE-ULDA access guide no. 4A: International Ultraviolet Explorer-Uniform Low Dispersion Archive active galactic nuclei, volume A
1992ESASP1153A.

Damped Lyman-alpha absorption in Q0957+561A,B
Turnshek, David A.; Bohlin, Ralph C.
Astrophysical Journal, Part 1, vol. 407, no.1, p. 60-64.
1993APJ...407...60

Detection of Far-Ultraviolet High-Excitation Line Emission and Lyman- beta Absorption in the Gravitational Lens Q0957+561
Michalitsianos, A. G.; Nichols-Bohlin, J.; Bruhweiler, F. C.; Kazanas, D.; Kondo, Y.; de La Pena, M.; Maran, S. P.; Meylan, T.; Perez, M.; Thompson, R.
Astrophysical Journal Letters v.417, p.L57
1993APJ...417L..57

Ultraviolet spectra of QSOs, BL Lacertae objects,and Seyfert galaxies
Lanzetta, Kenneth M.; Turnshek, David A.; Sandoval, Jennifer
Astrophysical Journal Supplement Series, vol. 84, no. 2, p. 109-184.
1993ApJS...84..109L

The IUE Survey for Damped Lyman- alpha and Lyman-Limit Absorption Systems: Evolution of the Gaseous Content of the Universe
Lanzetta, Kenneth M.; Wolfe, Arthur M.; Turnshek, David A.
Astrophysical Journal v.440, p.435
1995APJ...440..435

The gravitational lens system Q0957+561 in the ultraviolet
Dolan, J. F.; Michalitsianos, A. G.; Thompson, R. W.; Boyd, P. T.; Wolinski, K. G.; Bless, R. C.; Nelson, M. J.; Percival, J. W.; Taylor, M. J.; Elliot, J. L.; van Citters, G. W.
The Astrophysical Journal, Part 1, vol. 442, no. 1, p. 87-90
1995APJ...442...87

The Incidence of Damped LY alpha Systems in the Redshift Interval 0 < Z < 4
Rao, Sandhya M.; Turnshek, David A.; Briggs, Franklin H.
Astrophysical Journal v.449, p.488
1995APJ...449..488

The Relationship between the High-Energy Continuum and Emission Lines in Quasars: A Low-Redshift Sample
Green, Paul J.
Astrophysical Journal v.467, p.61
1996APJ...467...61

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