Optical variability in quasarsCRISTIANI, S.Astrophysics and space science library. 1986, Vol 121, pp 81-93, issn 0067-0057Article

Observation of the H II galaxy giving origin to the z=0.3930 absorption system of the QSO 1209+107CRISTIANI, S.Astronomy and astrophysics (Berlin. Print). 1987, Vol 175, Num 1-2, pp L1-L4, issn 0004-6361Article

SPECTRA OF SN 1980 K IN NGC 6946BARBIERI C; BONOLI C; CRISTIANI S et al.1982; ASTRON. ASTROPHYS. (BERL.); ISSN 0004-6361; DEU; DA. 1982; VOL. 114; NO 1; PP. 216-218; BIBL. 7 REF.Article

The composite spectrum of quasarsCRISTIANI, S; VIO, R.Astronomy and astrophysics (Berlin. Print). 1990, Vol 227, Num 2, pp 385-393, issn 0004-6361Article

Test of gravitational lens hypothesis for the quasar pair 1146+111B,CSHAVER, P. A; CRISTIANI, S.Nature (London). 1986, Vol 321, Num 6070, pp 585-586, issn 0028-0836Article

Average Lyman absorption in high-redshift QSO spectra. II, The redshift evolutionGIALLONGO, E; CRISTIANI, S.Monthly Notices of the Royal Astronomical Society. 1990, Vol 247, Num 4, pp 696-701, issn 0035-8711, 6 p.Article

Quasar candidates in the field of SA94 (2^h53^m, + 0°20')BARBIERI, C; CRISTIANI, S.Astronomy & astrophysics. Supplement Series (Print). 1986, Vol 63, Num 1, pp 1-26, issn 0365-0138Article

Quasar candidates in the field of S.A. 94 (2h53m+0°20')BARBIERI, C; CRISTIANI, S.Astrophysics and space science library. 1986, Vol 121, pp 465-470, issn 0067-0057Article

A new X-ray emitting Seyfert 1 galaxyCRISTIANI, S; TARENGHI, M.Astronomy and astrophysics (Berlin. Print). 1984, Vol 132, Num 2, pp 351-353, issn 0004-6361Article

The Lyman-alpha forest of PKS 2126-158 at high resolutionGIALLONGO, E; CRISTIANI, S; FONTANA, A et al.The Astrophysical journal. 1993, Vol 416, Num 1, pp 137-149, issn 0004-637X, 1Article

Discovery of z∼1 galaxies causing quasar absorption linesBERGERON, J; CRISTIANI, S; SHAVER, P. A et al.Astronomy and astrophysics (Berlin. Print). 1992, Vol 257, Num 2, pp 417-424, issn 0004-6361Article

The SA 94 QSO surveys. V : an UVx sample of 97 QSOs with B≤19.9LA FRANCA, F; CRISTIANI, S; BARBIERI, S et al.The Astronomical journal (New York). 1992, Vol 103, Num 4, pp 1062-1076, issn 0004-6256Article

A stochastic model for the variability of NGC 6814VIO, R; TUROLLA, R; CRISTIANI, S et al.The Astrophysical journal. 1993, Vol 405, Num 1, pp 163-167, issn 0004-637X, 1Article

Observations of four faint quasars surrounding the Tololo 1037-271/1038-272 quasar pairJAKOBSEN, P; PERRYMAN, M. A. C; CRISTIANI, S et al.The Astrophysical journal. 1988, Vol 326, Num 2, pp 710-716, issn 0004-637X, part 1Article

3C 345 : is the variability of quasars nonlinearVIO, R; CRISTIANI, S; LESSI, O et al.The Astrophysical journal. 1991, Vol 380, Num 2, pp 351-356, issn 0004-637X, p.1Article

The completeness of the Braccesi deep quasar surveyCRISTIANI, S; VERON-CETTY, M. P; VERON, P et al.Astronomy and astrophysics (Berlin. Print). 1984, Vol 135, Num 1, pp 122-128, issn 0004-6361Article

CCD images of the 6.1 ms pulsar fieldPEDERSEN, H; TARENGHI, M; CRISTIANI, S et al.Nature (London). 1983, Vol 306, Num 5943, pp 568-569, issn 0028-0836Article

Contamination on Lyman continuum emission at z ≳ 3: implication on the ionizing radiation evolutionVANZELLA, E; SIANA, B; CRISTIANI, S et al.Monthly notices of the Royal Astronomical Society (Print). 2010, Vol 404, Num 4, pp 1672-1678, issn 0035-8711, 7 p.Article

Is the Universe a fractal? Tests on quasar samplesANDREANI, P; CRISTIANI, S; LA FRANCA, F et al.Monthly Notices of the Royal Astronomical Society. 1991, Vol 253, Num 3, pp 527-532, issn 0035-8711Article

Observations of QSOs and related objects with EFOSC, the ESO faint object spectrograph and cameraD'ODORICO, S; CRISTIANI, S; CLOWES, R. G et al.Symposium - International astronomical union. 1985, Num 119, pp 57-58, issn 0074-1809Article

Observations of variable quasar candidatesCRISTIANI, S; HAWKINS, M; IOVINO, A et al.Monthly Notices of the Royal Astronomical Society. 1990, Vol 245, Num 3, pp 493-502, issn 0035-8711, 10 p.Article

Radial velocities of galaxies in the cluster Klemola 22 from observations with OPTOPUS, the ESO multiple object spectroscopy facilityCRISTIANI, S; DE SOUZA, R; D'ODORICO, S et al.Astronomy and astrophysics (Berlin. Print). 1987, Vol 179, Num 1-2, pp 108-114, issn 0004-6361Article

When two become one: an apparent QSO pair turns out to be a single quasar (Research Note)CUPANI, G; CRISTIANI, S; D'ODORICO, V et al.Astronomy and astrophysics (Berlin. Print). 2011, Vol 529, issn 0004-6361, A99.1-A99.3, 2Article

The quasar proximity effect at redshift <z> ~ 2.6 with the From Lines to Overdensities approachD'ODORICO, V; BRUSCOLI, M; SAITTA, F et al.Monthly Notices of the Royal Astronomical Society. 2008, Vol 389, Num 4, pp 1727-1738, issn 0035-8711, 12 p.Article

On the radio properties of the highest redshift quasarsCIRASUOLO, M; MAGLIOCCHETTI, M; GENTILE, G et al.Monthly Notices of the Royal Astronomical Society. 2006, Vol 371, Num 2, pp 695-702, issn 0035-8711, 8 p.Article