| PAGES | ARTICLES |
| 195-210 | Current wavelength dependence of mode emission in DH-GaAs lasers
T. J. S. Mattos, F. D. Nunes, C. G. Souza |
| 211-218 | Notes on flux quantization and on the quantized Hall effect
I. Ventura |
| 219-231 | Relaxação da permeabilidade magnética em fitas ferromagnéticas amorfas
R. Sato Turtelli, F. Vinai |
| 232-243 | Ni-Ni ion pair excitation transfer in D3hsymmetry
M. C. Terrile, M. C. G. Passeggi |
| 244-257 | Radio frequency effect on the sheath capacitance in a low density plasma
L. T. Carneiro, C. da C. Rapozo |
| 258-266 | Supersymmetric quantum mechanics and new potentials
Elso Drigo Filho |
| 267-286 | An approach to infinite dimensional Lie groups
F. J. Vanhecke |