Global catastrophes in earth history :  An interdisciplinary conference on impacts, volcanism, and mass mortality / 
Ed. by virgil l. sharpton, Peter d. ward 
 - xi, 631 páginas 
 - Special paper /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" --rev. portada 
<br/><br/><label>ISBN: </label>0-8137-2247-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Extincion (Biologia)--Congresos<br/>Límite Cretácico-Paleógeno--Congresos<br/>Vulcanismo--Congresos<br/>Impacto--Congresos
<br/><br/><label>LC Class. No.: </label>QE721.2E97  / G56