Buch(gedruckt)#11985New data processing techniques in social security: IVth International Conference on Data Processing in the Field of Social Security, Madrid, 1-3 October 1985International Conference on Data Processing in the Field of Social Security 4 1985 Madrid; International Social Security AssociationInternational Conference on Data Processing in the Field of Social Security 4 1985 Madrid; International Social Security AssociationBestellen über Verfügbarkeit