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

A NEW BRIGHT COMPACT GALAXY IN URSA MAJORBARBIERI C; CRISTIANI S; ROMANO G et al.1982; ASTRON. ASTROPHYS. (BERL.); ISSN 0004-6361; DEU; DA. 1982; VOL. 105; NO 2; PP. 369-371; BIBL. 3 REF.Article

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

Redshifts of quasar candidatesCRISTIANI, S; KOEHLER, B.Astronomy & astrophysics. Supplement Series (Print). 1987, Vol 68, Num 2, pp 339-346, issn 0365-0138Article

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

Cold dust around high-redshift quasarsANDREANI, P; LA FRANCA, F; CRISTIANI, S et al.Monthly Notices of the Royal Astronomical Society. 1993, Vol 261, Num 4, pp L35-L38, issn 0035-8711Article

On the absorption spectra of the quasars TOL 1037-271 and TOL 1038-272CRISTIANI, S; DANZIGER, I. J; SHAVER, P. A et al.Monthly Notices of the Royal Astronomical Society. 1987, Vol 227, Num 3, pp 639-652, issn 0035-8711Article

Quasar candidates in the field of SA 94. II: Objective-prism classification of the US objectsBARBIERI, C; CRISTIANI, S; IOVINO, A et al.Astronomy & astrophysics. Supplement Series (Print). 1987, Vol 67, Num 3, pp 551-556, issn 0365-0138Article

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

The high surface density of bright ultraviolet-excess quasarsGOLDSCHMIDT, P; MILLER, L; LA FRANCA, F et al.Monthly Notices of the Royal Astronomical Society. 1992, Vol 256, Num 4, pp 65p-68p, issn 0035-8711Article

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

Time series analysis in astronomy : an application to quasar variability studiesVIO, R; CRISTIANI, S; LESSI, O et al.The Astrophysical journal. 1992, Vol 391, Num 2, pp 518-530, issn 0004-637X, p.1Article

Quasar spectra and the gravitational lens hypothesisSHAVER, P. A; WAMPLER, E. J; CRISTIANI, S et al.Nature (London). 1987, Vol 327, Num 6117, pp 40-42, issn 0028-0836Article