Avian paleontology at the close of the 20th century :  proceedings of the 4th International Meeting of the Society of Avian Paleontology and Evolution, Washington, D.C., 4-7 June 1996 / 
Storrs L. Olson, editor ; Peter Wellnhofer ... [et al.], associate editors 
 - Washington, D.C. :  Smithsonian Institution Press,  1999 
 - viii, 344 p. :  ill. ;  28  cm. 
 - Smithsonian contributions to paleobiology ;  no. 89 .
<br/><br/>Includes bibliographical references 
<br/><br/><label>LCCN: </label>99-033292 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birds, Fossil--Congresses