Wavefront error separation method for optical systems with aspherical surfacesHAARALA, S.Astronomy and astrophysics (Berlin. Print). 1988, Vol 190, Num 1-2, pp 359-361, issn 0004-6361Article

Additional evidence for the accuracy of galactic reddenings from ScI galaxies and quasarsHAARALA, S; TEERIKORPI, P.Astrophysics and space science. 1986, Vol 122, Num 1, pp 163-171, issn 0004-640XArticle

Optical monitoring of quasars and BL Lac objectsSILLANPAA, A; HAARALA, S; KORHONEN, T et al.Astronomy & astrophysics. Supplement Series (Print). 1988, Vol 72, Num 2, pp 347-354, issn 0365-0138Article

Five years monitoring of extragalactic radio sources. II: Quiescent spectra and the evolution of outburstsVALTAOJA, E; HAARALA, S; TIURI, M et al.Astronomy and astrophysics (Berlin. Print). 1988, Vol 203, Num 1, pp 1-20, issn 0004-6361Article

Modelling urban air pollution in Espoo, FinlandVALKONEN, E; HÄRKÖNEN, J; KUKKONEN, J et al.Science of the total environment. 1996, Vol 189-90, pp 205-211, issn 0048-9697Conference Paper

OJ 287: binary pair of supermassive black holesSILLANPAA, A; HAARALA, S; VALTONEN, M. J et al.The Astrophysical journal. 1988, Vol 325, Num 2, pp 628-634, issn 0004-637X, 1Article

77 GHz continuum observations of variable extragalactic sourcesTERASRANTA, H; VALTAOJA, E; HAARALA, S et al.Astronomy & astrophysics. Supplement Series (Print). 1987, Vol 71, Num 1, pp 125-129, issn 0365-0138Article

Five years monitoring of extragalactic radio sources. I: Observations at 12, 22 and 37 GHzSALONEN, E; TERASRANTA, H; TEERIKORPI, P et al.Astronomy & astrophysics. Supplement Series (Print). 1987, Vol 70, Num 3, pp 409-435, issn 0365-0138Article

FLUX DENSITY MEASUREMENTS OF BRIGHT EXTRAGALACTICS SOURCES AT 36.8 GHZSALONEN E; LEHTO H; URPO S et al.1983; ASTRONOMY AND ASTROPHYSICS. SUPPLEMENT SERIES; ISSN 0365-0138; DEU; DA. 1983; VOL. 51; NO 1; PP. 47-62; BIBL. 20 REF.Article