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© May 2005 Lorentz JÄNTSCHI && Sorana Daniela BOLBOACĂ

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G03 Environment and Public Health D004778 + G03.230 Environment D004777 + G03.230.560 Seasons D012621
H01 Natural Sciences D010811 + H01.862 Time D013995 + H01.862.645 Periodicity D010507 + H01.862.645.661 Seasons D012621