|  
         Vol. 29 - nº 
          3 - September - 1999  
          Special Issue: DESORPTION'98  
         Foreword 
           
            | 
    
     
      |   PAGES  | 
        ARTICLES  | 
    
     
      |  401-414 | 
      DESORPTION 
        '98 - 100 years of ion beams - 100 Years of Ion Beams: Willy 
        Wien's Canal Rays  
        Karl Wien | 
    
 
      |  415-421 | 
       Mass 
        Spectrometry of Biomolecules: From PDMS to MALDI  
        Ronald D. Macfarlane | 
    
     
      |  422-427 | 
       An 
        Introduction to the Time-of-Flight Technique  
        Per Hakansson | 
    
     
      |  428-431 | 
       Desorption 
        and Sputtering from Solids Induced by Polyatomic Projectiles  
        Y. Le Beyec, K. Baudin, A. Brunelle, S. Della-Negra, 
        D. Jacquet and M. Autrat | 
    
     
      |  432-439 | 
       Mass 
        Spectrometric Analyses in Agriculture and Natural Product Research  
        Douglas F. Barofsky | 
    
     
      |  440-443 | 
       Mass 
        Spectrometry in Identification and Characterization of Biopolymers  
        P. Roepstorff | 
    
     
      |  444-449 | 
       Stimulated 
        Desorption of Atoms and Molecules from Bodies in the Outer Solar System 
         
        R. E. Johnson | 
    
     
      |  450-456 | 
       Influence 
        of Strong Anharmonicity on the Dynamical Properties of a Crystal with 
        BCC Lattice  
        C. G. Rodrigues, M. F. Pascual, and V. I. Zubov | 
    
     
      |  457-468 | 
       Detailed 
        Derivation of Axisymmetric Double Adiabatic MHD Equilibria with General 
        Plasma Flow  
        Roberto A. Clemente and Ricardo L. Viana | 
    
     
      |  469-482 | 
       Meson 
        Loop Corrections to the NJL Model  
        Francisco Peña, M. Carolina Nemes, Alex H. 
        Blin, and Brigitte Hiller | 
    
     
      |  483-488 | 
       BCS 
        Superconductivity in the Van Hove Scenario in s and d 
        Waves  
        Angsula Ghosh | 
    
     
      |  489-491 | 
       Integrated 
        Oscillator Strength for the Ar8+ Formation from the Neutral 
        Atom by Electron Impact  
        D. P. Almeida and L. A. Geronimo | 
    
     
      |  492-509 | 
       Brownian 
        Motion Limit of Random Walks in Symmetric Non--Homogeneous Media  
        Domingos H. U. Marchetti and Roberto da Silva | 
    
     
      |  510-515 | 
       Solar 
        Spectral Fine Structure in 18-23 GHz Bandn Processe  
        J. R. Cecatto, K. R. Subramanian, and H. S. 
        Sawant | 
    
     
      |  516-523 | 
       Features 
        of Spectral-Angular Distribution of Coherent X-Radiation  
        V. B. Gavrikov, V. P. Likhachev, M. N. Martins, 
        and V. A. Romanov | 
    
     
      |  524-528 | 
       What 
        are Traveling Convection Vortices?  
        M. Tavares and M. A. M. Santiago | 
    
     
      |  529-540 | 
       Variational 
        Description of the 3-Body Coulomb Problem Through a Correlated Eckart-Gaussian 
        Wavefunction  
        A. Flores-Riveros and J. F. Rivas-Silva | 
    
     
      |  541-546 | 
       Classical 
        and Quantum Mechanics of a Charged Particle in Oscillating Electric and 
        Magnetic Fields  
        V.L.B. de Jesus, A.P. Guimarães, and I.S. Oliveira | 
    
     
      |  547-550 | 
       Low 
        Temperature Photoluminescence in Ultra-Thin Germanium Quantum Wells  
        P. A. M. Rodrigues, M. A. Araúujo-Silva, G. 
        A. Narvaez, F. Cerdeira, and J. C. Bean | 
    
     
      |  551-556 | 
       The 
        Extended Hubbard Model Applied to Phase Diagram and the Pressure Effects 
        in Bi2Sr2CaCu2O8+y Superconductors 
         
        E. V. L. de Mello | 
    
     
      |  557-563 | 
       Effects 
        of Segmented Contractions of Gaussian Basis Sets on Dirac-Fock Energies 
         
        F. E. Jorge | 
    
     
      |  564-573 | 
       Functional 
        Approach without Path Integrals to Finite Temperature Free Fermions  
        S.M. de Souza, O. Rojas Santos, and M.T. Thomaz | 
    
     
      |  574-578 | 
       Forty 
        Years of the First Attempt at the Electroweak Unification and of the Prediction 
        of the Weak Neutral Boson Z0  
        J. Leite Lopes | 
    
     
      |  579 | 
       Phenomenological 
        Renormalization Group Methods  
        J. A. Plascak, W. Figueiredo, and B. C. S. Grandi |