2nd General Conference of the Condensed Matter Division of the European Physical Society : Manchester, march 22-25 1982 /

por European Physical Society. Condensed Matter Division (2nd : 1982 : Manchester)
Publicado 1982.

Elementary excitations in Solids Molecules and atoms /

por NATO Advanced Study Institute on "Elementary Excitations in Solids, Molecules, and Atoms" (1973 June 18-30 : University of Antwerp, Belgium)
Publicado 1974.