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![](./images/clear.gif) 1.- AGE OF THE GUATEMALA BRECCIAS AROUND THE CRETACEOUS-TERTIARY BOUNDARY; RELATIONSHIPS WITH THE ASTEROID IMPACT ON THE YUCATAN
GAUTHIER-VILLARS; MONTROUGE; FRA; FRANCE, 1998
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![](./images/clear.gif) 2.- CARBONACEOUS OR ORDINARY CHONDRITE AS THE IMPACTOR AT THE K/T BOUNDARY? CLUES FROM OS, W AND CR ISOTOPES
LUNAR AND PLANETARY SCIENCE CONFERENCE; HOUSTON, TX; USA; UNITED STATES, 2003
LUNAR AND PLANETARY SCIENCE, XXXIV; PAPERS PRESENTED TO THE THIRTY-FOURTH LUNAR AND PLANETARY SCIENCE CONFERENCE
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![](./images/clear.gif) 3.- ESTUDIO PRELIMINAR DEL TRANSITO CRETACICO/TERCIARIO EN LA SECCION DEL MONTE URKO (EIBAR, PAIS VASCO)
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BARCELONA: UNIV. CENT., 1991
1 CONGRESO DEL GRUPO ESPAÑOL DEL TERCIARIO, VIC, BARCELONA, 18-20 MARZO DE 1991. COMUNICACIONES
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![](./images/clear.gif) 4.- LA LIMITE CRETACE/TERTIAIRE DANS LE SUD-OUEST DU PETEN (GUATEMALA) ;THE CRETACEOUS/TERTIARY BOUNDARY IN SOUTHWESTERN PETEN, GUATEMALA
GAUTHIER-VILLARS; MONTROUGE; FRA; FRANCE, 1997
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![](./images/clear.gif) 5.- STRATIGRAPHIC DISTRIBUTION OF EXTRATERRESTRIAL MARKERS AT THE CRETACEOUS-TERTIARY BOUNDARY IN THE GULF OF MEXICO AREA; IMPLICATIONS FOR THE TEMPORAL COMPLEXITY OF THE EVENT
GEOLOGICAL SOCIETY OF AMERICA (GSA); BOULDER, CO; USA; UNITED STATES, 1996
THE CRETACEOUS-TERTIARY EVENT AND OTHER CATASTROPHES IN EARTH HISTORY
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