<h1>Osterbrock, Donald E.</h1>
<h2>Contributor from <a href="https://authors.library.caltech.edu">CaltechAUTHORS_contributor</a></h2>
<ul>
<li>Blandford, R. D. (1989) <a href="https://resolver.caltech.edu/CaltechAUTHORS:20181211-135003718">Quasar Evolution and the Growth of Black Holes in the Nuclei of Active Galaxies</a>; ISBN 9780792302568; Active Galactic Nuclei; 233-239; <a href="https://doi.org/10.1017/S0074180900140926">10.1017/S0074180900140926</a></li>
<li>Djorgovski, S. and Meylan, G. (1989) <a href="https://resolver.caltech.edu/CaltechAUTHORS:20190806-160707984">An Optical Imaging Search for Gravitational Lenses</a>; ISBN 9780792302568; Active Galactic Nuclei; 269-270; <a href="https://doi.org/10.1017/S0074180900141038">10.1017/S0074180900141038</a></li>
<li>Neugebauer, G. and Sanders, D. B., el al. (1989) <a href="https://resolver.caltech.edu/CaltechAUTHORS:20170301-101543100">Spectral Energy Distributions of PG Quasars</a>; ISBN 0-7923-0256-7; Active Galactic Nuclei; 390-392</li>
<li>Pearson, T. J. and Readhead, A. C. S. (1989) <a href="https://resolver.caltech.edu/CaltechAUTHORS:20181121-084638694">The Milliarcsecond Structure of Active Galactic Nuclei Observed with VLBI</a>; ISBN 9780792302568; Active Galactic Nuclei; 525-528; <a href="https://doi.org/10.1017/S0074180900141877">10.1017/S0074180900141877</a></li>
<li>Keene, J. and Neugebauer, G., el al. (1989) <a href="https://resolver.caltech.edu/CaltechAUTHORS:20170301-103111401">Millimeter Observations of Optically Selected Quasars</a>; ISBN 0-7923-0256-7; Active Galactic Nuclei; 396-397</li>
<li>Meylan, G. and Djorgovski, S. (1989) <a href="https://resolver.caltech.edu/CaltechAUTHORS:20190807-073308925">Discovery of a Probable Gravitational Lens</a>; ISBN 9780792302568; Active Galactic Nuclei; 271-272; <a href="https://doi.org/10.1017/S007418090014104X">10.1017/S007418090014104X</a></li>
</ul>