"Algemene ecologie en biosociologie." . . "Phänologie" . . "Phänologie." . "Periodicity Congresses." . . . . "Økologi Plantegeografi" . . "Models, Biological Congresses." . . . . . . . . . . . . . . . . "Conference papers and proceedings" . "Conference papers and proceedings"@en . . "Introduction to phenology and the modeling of seasonality. Methods for phenological studies. Seasonality in trophic levels. Representative biome studies. Modeling phenology and seasonality. Applications of phenology." . . . . "Phenology and seasonality modeling : chiefly papers presented at a symposium held during the 25th annual AIBS meeting in Minneapolis, Aug, 1972" . . . . . . . . . . . . . . . . . . "Phenology and Seasonality Modeling" . "Phenology and Seasonality Modeling"@en . . . . . . . . "Phenology and seasonality modeling" . . "Phenology and seasonality modeling"@en . "Electronic books" . . . . . . . . . "Introduction to phenology and the modeling of seasonality; Methods for phenological studies; Seasonality in trophic levels; Representative biome studies; Modeling phenology and seasonality; Applications of phenology." . "Phenology and seasonality modeling : [chiefly papers pres. at a symposium held during the 25. annual AIBS meeting in Minneapolis, Aug. 1972]" . . . . . . "Phenology and seasonality modeling : chiefly papers presented at a symposium, held during the 25. annual AIBS meeting in Minneapolis, Minn., Aug. 1972" . . . . "Ecologia." . . "Estacions de l'any." . . "Biomathematica. Biometrie. Biostatistiek." . . "Jahreszeit" . . "Phénologie." . . "Lieth (Helmuth). Ed." . . "Computer. Informatica. Automatisering." . . "Fenologia." . . "Fenologia Studi." . . "Ecologia vegetale Studi." . . "Meteorologie. Klimatologie." . . "Phenology Congresses." . . "Phénologie Congrès." . .