Vol. 28

1998

Nº 3

	CONTENTS
ARTICLES
A. M. Pisanú, C. E. Gígola	LOW-LOADED PALLADIUM ON a-ALUMINA CATALYSTS EVIDENCE OF OXYGEN-RICH SPECIES	143
C. R. Esterkin, O. M. Alfano, H. A. Irazoqui	AN ALTERNATIVE APPROACH TO THE RADIATIVE TRANSFER EQUATION FOR A SOLID-FLUID HETEROGENEOUS SYSTEM	151
J. Coro Bermello, C. Viltres Costa, G. Kollenz	SYNTHESIS AND CHARACTERIZATION OF AMINO-FUNCTIONALIZED CYCLOPENTENONES AND ANIL COMPOUNDS FROM FURAN AND THIOPHENE	159
D. Delmastro, L. Juanicó, A. Clausse	A FULLY ANALYTICAL TREATMENT OF HOPF BIFURCATIONS IN A MODEL OF BOILING CHANNEL	165
R. Ross, U. Böhm	GAS-LIQUID DISPERSIONS PRODUCED BY STATIC MIXERS	175
G. H. Kaufmann, F. V. Diaz	MEASUREMENT OF TRANSIENT DEFORMATIONS BY MEANS OF PULSED TV HOLOGRAPHY	181
H. M. Enrique, E. L. Lima, J. C. Pinto	A BIFURCATION STUDY ON NEURAL NETWORK MODELS FOR NONLINEAR DYNAMIC SYSTEMS	187