Pubblicazioni pervenute all'Osservatorio Astronomico nelle ultime settimane: 1) Bologna Astronomy Preprints - Four experiments on thermal instabilities in stellar envelopes Alvio Renzini and Claudio Ritossa 03-1994-003 - A hint on the age and helium content of the galactic bulge Alvio Renzini 04-1994-006 - Sky subtraction with fibres Marco Mignoli and Jean-Gabriel Cuby 04-1994-007 - Relazione finale sui lavori svolti dalla commissione di Loiano G. Clementini et al. Rapporto tecnico 03-1994-01 - Relazione sull'uso del telescopio 1.52 m di Loaino dal 1987 al 1993 G. Clementini et al. 2) Center for UEV astrophysics, Berkeley - Coronal and transition region spectroscopy of cool stars using EUVE A. Brown N. 576 - The distribution of neutral hydrogen in the interstellar medium I. The data A. Fruscione et al. N. 575 - Far ultraviolet emission from the Taurus molecular cloud M. Hurwitz N. 578 3) Wisconsin Astrophysics - Soft x-ray and Hi surveys of the low NH region in Ursa Major S.L. Snowden et al. N. 519 - More confirmed damped Lyman-alpha systems from the Las Campanas/ Palomar survey Limin Lu and Arthur M. Wolfe N. 520 - Self-gravitating models for polar rings Linda S. Sparke Observations of warped disks and polar rings in the 21 cm line of neutral hydrogen Andrea L. Cox et al. N. 521 - Spectral energy distribution of the brightest Palomar-green quasars at intermediate redshifts Todd M. Tripp et al. N. 522 4) Pubblicazioni varie - Osservatorio Astronomico di Roma Solar phenomena n. 407-416 (Feb 1992-Dec 1992) - Be Star newsletter N. 27, March 1994 - The Messenger = El Mensajero N. 75, March 1994 - Osservatorio Astronomico di Capodimonte Annuario 1994 - ESA M3 selection process: presentation of assessment study results, 3 and 4 May 1994, Paris. Summary reports: MORO, Mercury orbiter, Intermaarsnet, STEP, LISA, COBRAS/SAMBA, Stars. - Astronet special publication 94 DIRA2 database: the catalogue documentation P. Battistini et al. - Reprint from Science Astronomy and the Extreme Ultraviolet Explorer Satellite Stuart Bowyer Vol. 263, pp. 55-59