Vol. 12 No. 47 (1965)

Published August 27, 1965
Full Issue
PDF (Spanish)

Natural Sciences

ANTONIO OLIVARES
259-274
Not available
PDF (Spanish)
RICHARD EVANS SCHULTES
269-278
Not available
PDF (Spanish)
FEDERICO MEDEM
299-346
Not available
PDF (Spanish)

Earth Sciences

HANS BÜRGL
246-258
Not available
PDF (Spanish)
LUIS GUILLERMO DURAN S
277-293
Not available
PDF (Spanish)

Mathematics

LUIS DE GREIFF BRAVO
295-297
Not available
PDF (Spanish)

Comentarios Académicos

HERNANDO FRANCO SANCHEZ
347-348
Not available
PDF (Spanish)
ACADEMIA ACCEFYN
353-354
Not available
PDF (Spanish)

In Memoriam

HERNANDO FRANCO SANCHEZ
349-350
Not available
PDF (Spanish)
ACADEMIA ACCEFYN
351-352
Not available
PDF (Spanish)