Vol. 21 No. 80 (1997)

Published July 15, 1997
Full Issue
PDF (Spanish)

Biomedical Sciences

Gabriel Toro González
229-236
DEMENTIA-PRIONS AND PRIONIC ILLNESSES WITH SPECIAL REFERENCE TO THE "CRAZY COWS"
PDF (Spanish)

Physical Sciences

Joaquín Pelkowski
261-269
ASPHALT MIRAGES
PDF (Spanish)
Pedro Antonio Prieto Pulido
271-280
THE FIRST TEN YEARS OF SUPERCONDUCTIVITY AT HIGH TEMPERATURES
PDF (Spanish)

Natural Sciences

Santiago Díaz-Piedrahita, Marta Lucía Bueno
201-204
A NEW SPECIES AND A NEW VARIETY OF PENTACALIA SUBGENERO MICROCHAETE (ASTERACEAE-SENECIONEAE)FROM THE SIERRA NEVADA DE SANTA MARTA, COLOMBIA
PDF (Spanish)
Santiago Díaz-Piedrahita, Gina Paola Méndez Ramírez
205-208
A NEW SPECIES OF PENTACALIA SUBGEN. PENTACALIA (ASTERACEAE-SENECIONEAE) FROM COLOMBIA)
PDF (Spanish)
Víctor Manuel Pardo-Cardona
209-215
NOVELTIES AND CORRECTIONS OF THE FLORA OF UREDINALES FROM COLOMBIA
PDF (Spanish)
Joaquín Pinto-Nolla
217-223
NOTES ON TRIBE PANICEAE R. BROWN (GRAMINEAE) AND A KEY TO ITS GENERA IN COLOMBIA
PDF (Spanish)
Luz Mila Quiñones
225-227
A NEW OF BROWNEA GEN (LEGUMINOSAE-CAESALPINIOIDEAE)
PDF (Spanish)
John Lynch, Pedro M. Ruiz-Carranza, Maria Cristina Ardila-Robayo
237-248
BIOGEOGRAPHIC PATTERNS OF COLOMBIAN FROGS AND TOADS
PDF
César A. Marín-Corba, Julio Betancur
249-25
A FLORISTIC STUDY IN AN OAKFOREST OF THE BIOLOGICAL SANTUARY OF IGUAQUE (BOYACÁ-COLOMBIA)
PDF (Spanish)
Uriel Angel Buitrago-Suárez, Germán Galvis
347-352
DESCRIPTION OF SOME ACCESSORY STRUCTURES OF THE UROGENITAL SYSTEM IN THE NEOTROPICAL FAMILY ASTROBLEPIDAE (PISCES, SILUROIDEI)
PDF
John D. Lynch
353-372
INTRAGENERIC RELATIONSHIPS OF MAINLAND ELEUTHERODACTYLUS II. A REVIEW OF THE ELEUTHERODACTYLUS SULCATUS GROUP
PDF
Pedro M. Ruiz-Carranza, Maria Cristina Ardila-R, John D. Lynch, Jorge Humberto Restrepo
373-378
A NEW SPECIES OF GASTROTHECA (AMPHIBIA: ANURA: HYLIDAE) FROM THE CORDILLERA OCCIDENTAL OF COLOMBIA
PDF (Spanish)

Chemical Sciences

Pedro Joseph Nathan
321-334
GENERATION OF NEW RING SYSTEMS BY MOLECULAR REARRANGEMENTS OF THE LONGIPINENE SKELETON
PDF (Spanish)
Juan Crisóstomo Martínez Valderrama
335-345
FIFTY YEARS OF MAGNETIC NUCLEAR RESONANCE
PDF (Spanish)

Mathematics

Víctor Samuel Albis González
281-293
VICISSITUDES OF THE EUCLIDEAN POSTULATE IN COLOMBIA
PDF (Spanish)
Víctor Samuel Albis González, Raúl Chaparro
313-319
ON A CONJECTURE OF BOREVICH AND SHAFAREVICH
PDF

Academy Life

379-380
REACTIVAMOS UNA VIEJA E IMPORTANTE SECCION DE ESTE ACAPITE CON LA SIGUIENTE CARTA RECIBIDA POR LA DIRECCION DE LA REVISTA
PDF (Spanish)

In Memoriam

Luis Carlos Rodríguez Alvarez
295-311
CESAR URIBE PIEDRAHITA, AN EXCEPTIONAL SCIENTIST
PDF (Spanish)