Nichols, Douglas J.

Plant microfossil record of the terminal Cretaceous event in the western United States and Canada - Boulder, CO Geological Society of America 1990 - pp. 445-455 ilus., tbls. - Special Paper. Geological Society of America n.247 .


ESTRUCTURAS DE IMPACTO
EXTINCION
LIMITE K-T
PALINOLOGIA
PLANTAS FOSILES


CANADA
ESTADOS UNIDOS

56.017.4/S47|41