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\begin{itemize}
\section*{Papers}

\subsection*{International Journals}

\item[1] ``Investigations in the problem of pion-condensation using generator coordinate methods.'', P. CHATTOPADHYAY and J. DA PROVIDÊNCIA, Nucl. Phys. A {\bf 370}, 445 (1981).

\item[2] ``Collective Modes of the Condensate Phase in Pure Neutron Matter'', M. C. Ruivo, Prog. Theor. Phys. {\bf 66}, 2161-2172 (1981).

\item[3] ``Excitations of the Charged Pion Field in Dense Nuclear Medium with a Neutral Condensate'', M. C. Ruivo and L. S. Ferreira, Prog. Theor. Phys. {\bf 65}, 1941-1949 (1981).

\item[4] ``Charged Pion Condensate as a Standing Wave Mode'', M. C. Ruivo and L. S. Ferreira, Prog. Theor. Phys. {\bf 65}, 938-947 (1981).

\item[5] ``Time Dependent Generator Coordinate Method and the N-N Interaction'', L. P. Brito and C. A. de Sousa, Portugaliae Physica {\bf 12}, 1-7 (1981).

\item[6] ``Classical Analogy of the Concept of Collective Variables'', L. P. Brito and C. A. de Sousa, Journal of Physics A: Math. and Gen. {\bf 14}, 2239-2249 (1981).

\item[7] ``Diffuse magnetic elastic scattering of neutrons from cr-fe and cr-co alloys'', Costa, M. M. R., Booth, J. G., Ziebeck, K. R. A., \& Brown, P. J., Journal of Applied Physics {\bf 52(3)}, 1681-1683 (1981).

\section*{Proceedings}

\subsection*{International Conferences}

\item[8] ``Coherent \π-Production in Subthreshold Nucleus-Nucleus Collisions in International Symposium on Nuclear Fission and Related Collective Phenomena and Properties of Heavy Nuclei, Bad Honnef, Germany, 26-29 Oct 1981.'', H.\,J. Pirner and B. Hiller, Lect.Notes Phys. {\bf 158}, 443-449 (1981).

\section*{Communications}

\item[9] ``Workshop on Nuclear Physics'', C. Fiolhais, Trieste, Italy (1981).

\item[10] ``Workshop on Semiclassical Methods in Nuclear Physics'', C. Fiolhais, Grenoble, France (1981).

\subsection*{Invited}

\item[11] ``A relativistic Hartree theory of nuclear matter and finite nuclei'', A.\,H. Blin, Universität Heidelberg, Germany (1981).

\subsection*{Oral}

\item[12] ``Momentum Distributions in Nuclei Measured With Relativistic Heavy lons'', B. Hiller, Seminar at University of Maryland, College Park, USA (1981).

\subsection*{Poster}

\item[13] ``Solid-like Structure in Pion Condensation'', M. C. Ruivo, International Conference on Recent Progress in Many-Body Theories,
 Oaxtepec, México (1981).

\end{itemize}
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