"Time-series analysis Handbooks, manuals, etc." . . "Noord-Amerika." . . "Medio ambiente Europa Estadísticas." . . "Ecology Statistics Periodicals." . . "Europe" . . "USA." . . "USA" . "Umweltstatistik." . . "Umweltstatistik" . "United Nations. Statistical Commission." . . "Environmental indicators Handbooks, manuals, etc Europe." . . "Environmental indicators Handbooks, manuals, etc North America." . . "Europa." . . "Europa" . "Kanada." . . "Kanada" . "Pollution Statistics Periodicals." . . "Landwirtschaft." . . "Landwirtschaft" . . . "Milieubeheer." . . "Medio ambiente Estados Unidos Estadísticas." . . "Environmental indicators Periodicals." . . "United Nations. Economic Commission for Europe." . . "The environment in Europe and North-America annotated statistics"@en . . . . . . . "Environment in Europe and North-America : annotated statistics" . . . . . . . . . . "The Environment in Europe and North-America : annotated statistics" . . . . . . . . . . . . . . . . . . . "Statistieken (vorm)" . . . . . . . "The environment in Europe and North-America : annotated statistics"@en . . "The environment in Europe and North-America : annotated statistics" . . "Handbooks and manuals"@en . "Europa." . . "North America" . . "Landbouw." . .