Vol. 22 No. 83 (1998)

Vol. 22 No. 83 (1998)

Published June 22, 1998
Full Issue
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Earth Sciences

Santiago Díaz-Piedrahita
173-186
THE COLOMBIAN ENVIRONMENT AND ILLEGAL CROPS
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Santiago Díaz-Piedrahita, Gina Paola Méndez
187-192
FOUR NEW SPECIES AND A NEW VARIETY OF PENTACALIA [ASTERACEAE-SENECIONEAE] FOR THE FLORA OF COLOMBIA
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Edison Valencia, George G. Khachatourians
193-202
INTEGRATED PEST MANAGEMENT AND ENTOMOPATHOGENIC FUNGAL BIOTECHNOLOGY IN THE LATIN AMERICAS: I-OPPORTUNITIES IN A GLOBALAGRICULTURE
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Physical Sciences

Gerardo Gordillo G
203-211
PHOTOVOLTIC CONVERSION OF SOLAR ENERGY
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Mathematics

Liliana Blanco Castañeda
213-220
A CONSTRUCTION OF THE BRANCHING BROWNIAN MOTION
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Jairo A. Charris, Carmenza Moreno, Oriol Mora-Valbuena
221-228
SOMEREMARKSONTHELOCAL PATH-CONNECTEDNESS OF INFINITE POINT COMPACTIFICATIONS
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Chemical Sciences

Luis R. Hernández, César A.N. Catalán, Pedro Joseph-Nathan
229-279
THE CHEMISTRY OF THE GENUS STEVIA (ASTERACEAE)
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Natural Sciences

María Cristina Ardila-Robayo, Pedro M. Ruiz-Carranza
281-285
A NEW SPECIES OF ATE/OPUS DUMERIL & BIBRON 1841 (AMPHIBIA: BUFONIDAE) FROM THE CENTRAL CORDILLERA OF COLOMBIA
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John D. Lynch, José Vicente Rueda-Almonacid
287-298
ADDITIONAL NEW SPECIES OF FROGS (GENUS ELEUTHERODACTYLUS) FROM CLOUD FORESTS OF EASTERN DEPARTAMENTO DE CALDAS, COLOMBIA
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Cesar Román-Valencia
299-303
REDESCRIPTION OF BRANCHIOICA PHANERONEMA MILES, 1943 (PISCES: TRICHOMYCTERIDAE) FROM THE RIO MAGDALENA BASIN OF COLOMBIA
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Comentarios Académicos

Antonio García Verduch
305-311
SOME RETLECTIONS ON SCIENTIFIC RESEARCH
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Academy Life

313-314
WORDS SPOKEN BY THE PRESIDENT OF THE ACADEMY DURING THE INSTALLATION OF THE SEMINAR-WORKSHOP ON "GREENHOUSE GAS EMISSIONS IN COLOMBIA AND MITIGATION OPTIONS," ORGANIZED BY THE ACADEMY AND THE GERMAN SOCIETY FOR TECHNICAL COOPERATION WITH THE COLLABORATION
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