Global catastrophes in earth history :  an interdisciplinary conference on impacts, volcanism, and mass mortality / 
edited by Virgil L. Sharpton, Peter D. Ward and Thomas Burke Museum 
 - Boulder, Colo. :  Geological Society of America,  1990 
 - 631 p. :  ill. ;  28 cm. 
 - The Geological Society of America ;  247 .
<br/><br/> Conference held Oct. 20-23, 1988, in Snowbird, Utah, as a sequel to the Conference on Large Body Impacts held in 1981 also in Snowbird 
<br/><br/><label>ISBN: </label>0813722470 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Extinction (Biology)--Congresses<br/>Cretaceous/Tertiary boundary--Congresses<br/>Volcanism--Congresses<br/>Impacts--Congresses