1. | Título: Conference of european statisticians : the environment in Europe and North-America : annotated statistics 1992 Pri. Menção: ONU-United Nations, United Nations Statistical Commission, Economic Commission for Europe Data Edição: 1992 COTA(S): ESTONU8397 | ||
2. | Título: Conference of european statisticians : environment statistics in Europe and North America : an experimental compendium Pri. Menção: ONU-United Nations, United Nations Statistical Commission, Economic Commission for Europe Data Edição: 1987 COTA(S): ESTONU8397 |