Preprints pervenuti all'OAPA nelle ultime settimane: 1) Wisconsin Astrophysics - Winds from rotating Wolf-Rayet stars: the wind-compressed zone model J.P. Cassinelli et al. N. 540 - Field-widened spatial heterodyne spectroscopy: correcting for optical defects and new vacuum ultraviolet performance tests J. Harlander et al. N. 541 - Periodic intensity variations in sulfur emissions from the IO plasma torus R. Carey Woodward Jr. et al. N. 542 - ROSAT observations of the unusual supernova remnant CTB 80 containing the pulsar PSR 1951+32 Samar Safi-Harb et al. N. 543 - Application of convectional CCD cameras with Fabry-Perot spectrometers for airglow observations M.M. Coakley and F.L. Roesler N. 544 2) Harvard-Smithsonian Cfa - A violent interaction between the dwarf galaxy UGC 7636 and the giant elliptical galaxy NGC 4472 Brian McNamara et al. N. 3886 - HI and CO in the nuclear disk of NGC 4261 Walter Jaffe and Brian McNamara N. 3887 - Absorption in 3C212 Smita Mathur N. 3897 - X-ray emission from PSR 0355+54 Patrick Slane N. 3898 - Evidence for elemental variation in the ejecta of the Tycho supernova remnant O. Vancura et al. N. 3952 - IGM constraints and the intracluster medium at z=3 from X-ray spectra of high redshift quasars Martin Elvis et al. N. 3954 - The hot ISM of galaxies G. Fabbiano N. 3955 - The dim inner accretion disk of the quiescent black hole A0620-00 Jeffrey E. McClintock et al. N. 3964 - A multiparametric analysis of the Einstein sample of early-type galaxies. II. Galaxy formation history and properties of the ISM Paul B. Eskridge et al. N. 3971 3) Center for EUV astrophysics, Berkeley - A high-speed wide dynamic range time-to-digital converter M. Lampton and R. Raffanti N. 606 - Mass-radius relations for low-mass white dwarfs with helium and carbon interiors S. Vennes et al. N. 607 - Advances in autonomous operations for the EUVE spacecraft T. Morgan and R.F. Malina N. 608 - A volume-limited survey of high galactic latitude planetary nebulae with the Extreme Ultraviolet Explorer A. Fruscione et al. N. 609 - A first look at the elemental composition of stellar coronae: absence of the FIP effect in the corona of Procyon J.J. Drake et al. N. 610 - First spectral observations of the diffuse background with the Extreme Ultraviolet Explorer P. Jelinsky et al. N. 612 - On the predicted abundances of iron and nickel supported by radiative levitation of hot DA white dwarfs P. Chayer et al. N. 613 - The EUVE bibliography as of Cotober 1994 N. 617 - Stellar coronal abundances III: the solar FIP effect determined from full disk observation J.M. Laming et al N. 618 4) Bologna astrophysics preprints - Morphology of planetary nebulae and its correlations with stellar evolution Letizia Stanghellini N. 24 - Deep infrared array photometry of galactic globular clusters: the main sequence of NGC 6171 F.R. Ferraro et al. n. 27 - Multigaussian deconvolution of elliptical sources. Reliability tests using ground-based and HST images of M32 O. Bendinelli and G. Parmeggiani N. 28 - Three invited papers at the ESO workshop on "Science with the VLT" -Faint AGNs, evolution and the X-ray background Gianni Zamorani -Globular clusters with the VLT F.Fusi Pecci et al. -Perspectives in the study of large scale structure and galaxy evolution with the VLT G. Vettolani N. 31 - Stellar dating and formation of galactic spheroids Alvio Renzini N. 32 - Temperatures, gravities, and masses for a sample of bright DA white dwarfs and the initial-to-final mass relation A. Bragaglia et al. N. 33 - Chemical evolution models with a new stellar nucleosynthesis A. Giovagnoli and M. Tosi N. 34 - The stellar population of a typical globular cluster F. Fusi Pecci and G. Clementini N. 35 5) Observatoire de Geneve preprints - Complex instability: a typical instability in multidimensional Hamiltonian systems Daniel Pfenninger N. 134 - The disc scale length of the galaxy R. Fux and L. Martinet N. 135 - Systematic study of the ultraviolet variability of Active Galactic Nuclei S. Paltani and T.J.-L. Courvoisier N. 136 - Multi-wavelength observations of Active Galactic Nuclei Thierry J.-L. Courvoisier N. 136 6) Altri preprints - A comparison of the ROSAT WFC and EUVE source catalogues C.R. Barber et al. Leicester University preprint XRA 94/18 - The soft X-ray transmission properties of thin polymide windows and their application to future detectors M. Bavdaz et al. ESLAB 94/188 -