Neutrino Astrophysics 

    1. Neutrinooszillationen in Neutronensternmaterie.
    Astronomische Nachrichten 302(1981)223-226.

    2. Are there consequences of Pontecorvo's neutrino oscillations for the neutrino emission of neutron stars?
    17th International Cosmic Ray Conference, Paris, France, July 13-25, 1981, Proceedings, Vol.10,pp.368-371.

    3. Neutrino oscillations in neutron star matter.
    Astrophysics and Space Science 82(1982)457-461.

    4. (with E.Gerth) Zeitlich periodische Variationen des solaren Neutrinoflusses und das Standardmodell der Sonne.
    Astronomische Nachrichten 304(1983)299-304.
    - Rapporto Interno No. 23, Instituto di Astrofisica Spaziale (CNR), C.P. 67, 00044 Frascati (Roma), Italia, October 1983, pp.22.

    5. (with E.Gerth) Short-time variations of the solar neutrino luminosity.
    18th International Cosmic Ray Conference, Bangalore, India, August 22-September 03, 1983, Proceedings, Vol. 10, pp. 389-392.

    6. (with E.Gerth) Time variations of the solar neutrino flux.
    Astrophysics and Space Science 112(1985)2, 397-405.

    7. (with E.Gerth) The search for possible time variations in Davis' measurements of the argon production rate in the solar neutrino experiment.
    Astronomische Nachrichten 306(1985)4, 203-211.

    8. (with E.Gerth) Short-time variations of the solar neutrino luminosity (Fourier analysis of the argon-37 production rate data).
    International Conference on Solar Neutrinos and Neutrino Astronomy, Lead, South Dakota, U.S.A., August 23-25, 1984, American Institute of Physics Conference Proceedings Vol. 126 (1985)129-144, Eds. M.L.Cherry, W.A.Fowler, and K.Lande.

    9. (with E.Gerth) The conjecture concerning time variations in the solar neutrino flux.
    19th International Cosmic Ray Conference, La Jolla, U.S.A., August 11-23, 1985, Proceedings, Vol. 5, 434-437.

    10. (with S.Gottloeber, J.P.Muecket, V.Mueller, B.Kaempfer) The LMC supernova (SN 1987A) as a probe for the outcome of stellar collapse.
    Astronomische Nachrichten 308(1987)6, 329-331.

    11. (with E.Gerth) Periodic behaviour of solar activity andsolar neutrino flux.
    20th International Cosmic Ray Conference, Moscow, U.S.S.R., August 02-15, 1987, Proceedings, Vol. 4, 343-346.

    12. (with D.N.Voskresensky, A.V.Senatorov, B.Kaempfer) A possible explanation of the second neutrino burst from SN 1987A.
    Astrophysics and Space Science 128(1987)2,421-424.

    13. (with B.Kaempfer, A.V.Senatorov, D.N.Voskresensky) A tentative approach to the second neutrino burst of SN 1987A.
    Astronomy and Astrophysics 191(1988)L22-L24.
    - Institut d'Astrophysique de Paris, 98 bis, Boulevard Arago, 75014 Paris, France, Pre-publication-Novembre 1987, pp.9.

    14. (with E.Gerth) On the Fourier spectrum analysis of the solar neutrino capture rate.
    Solar Physics 127(1990)347-356.

    15. (Eds. H.J.Haubold and R.K.Khanna) Neutrino and gravitational wave astronomy: Grand visions in Basic Space Science.
    AIP Conference Proceedings Vol. 245, American Institute of Physics New York 1992, p. 230-249.

    16. (with J.Beer) Solar activity cycles revealed by time series analysis of argon-37, sunspot-numbers, and beryllium-10records.
    in Solar-Terrestrial Variability and Global Change (Eds.W.Schroeder and J.P.Legrand), Proceedings of the IUGG/IAGA General Assembly, Vienna, Austria 1991, IAGA, Bremen-Roennebeck (Germany), 1992,p.11-34.

    17. (with A.M. Mathai) Solar nuclear energy generation and the chlorine solar neutrino experiment.
    - Publication No. 27 of the Centre for Mathematical Sciences, Vazhuthacad, Trivandrum 695014, Kerala, India, 1994.
    in Basic Space Science (Eds. H.J. Haubold and L.I. Onuora), AIP Conference Proceedings Vol. 320, American Institute of Physics, New York, 1994, p. 102-116.

    18. (with A.M. Mathai) A heuristic remark on the periodic variation in the number of solar neutrinos detected on Earth.
    Astrophysics and Space Science, 228 (1995)113-134.

    19. Fourier spectrum analysis of the new solar neutrino capture rate data for the Homestake experiment.
    Nuclear Physics A621(1997)341c-344c.

    20. Wavelet analysis of the new solar neutrino capture rate data for the Homestake experiment.
    Astrophysics and Space Science 258(1998)201-218.