Number of items: 2.
Monograph
Ott, N., Büttner, T. & Galler, H.P.
(1991).
Demographic Changes and Their Implications on Some Aspects of Social Security in the Unified Germany: German Case Study.
IIASA Collaborative Paper.
IIASA, Laxenburg, Austria: CP-91-002
Book
Galler, H.P., Heilig, G.K. & Steinmann, G.
(1994).
Acta Demographica 1993.
Heidelberg: Physica-Verlag.
ISBN 978-3-642-47687-7
This list was generated on Sat Apr 26 16:28:56 2025 UTC.