Columbia subject headings:
Harvard subject headings:
Precipitation (Meteorology)--Measurement--Methodology.
Rain and rainfall--France.
Rain and rainfall--Germany.
Rain and rainfall--Measurement--Methodology.
Rain and rainfall--Switzerland.
Princeton subject headings:
Precipitation (Meteorology)--Measurement--Methodology.
Rain and rainfall--France.
Rain and rainfall--Germany.
Rain and rainfall--Measurement--Methodology.
Rain and rainfall--Switzerland.