Vol. 18 No. 69 (1991)
Full Issue
PDF (Spanish)

Natural Sciences

SANTIAGO DÍAZ-PIEDRAHITA, JOSE CUATRECASAS
127-129
Not available
PDF (Spanish)
PABLO BURITICÁ C
131-148
Not available
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SANTIAGO DÍAZ-PIEDRAHITA, CRISTINA VÉLEZ-NAUER
149-151
Not available
PDF (Spanish)
SANTIAGO DÍAZ-PIEDRAHITA
191-209
Not available
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ORLANDO TORRES FERNÁNDEZ, PAULINA MUÑOZ DE HOYOS, GLORIA ROMERO DE PÉREZ
253-264
Not available
PDF (Spanish)
M. Gonzalo Andrade-C
265-268
Not available
PDF (Spanish)

Chemical Sciences

AUGUSTO RIVERA, GLORÍA INÉS GALLO, MARÍA ELENA GAYÓN, GILMAR GABRIEL SANTAFÉ
247-251
Not available
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Earth Sciences

JOSÉ CUATRECASAS
123-125
Not available
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MARIO MÉNDEZ, ORLAND VARGAS ZÁRATE , INÉS BERNAL DE RAMÍREZ
153-158
Not available
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JUAN MANUEL MORENO MURILLO
159-173
Not available
PDF (Spanish)
JESÚS A. ESLAVA R.
175-181
Not available
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LUIS ENRIQUE LESMES, LORENZO PANIZZO
239-246
Not available
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Mathematics

CARLOS E. VASCO U
211-223
Not available
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ACADEMIA ACCEFYN
230-238
Not available
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Remembrance

SANTIAGO DÍAZ-PIEDRAHITA
183-189
Not available
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