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  1. By: Garner, W. W. (Wightman Wells), - United States. Agricultural Research Service.
    Publication info: [Beltsville, Md.], U.S. Dept. of Agriculture, Agricultural Research Service, 1962
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Bibliography  Effect of light on  Photoperiodism  Plants
  2. By: Lutz, Frank Eugene, - Barro Colorado Entomological Expedition
    Publication info: New York City, The American Museum of Natural History, [1931]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.11,04.44  Barro Colorado island  Barro Colorado Island.  Bees  Behavior  Birds  Circadian rhythms  Daylight  Effect of light on  Insects  Panama  Photoperiodism  Trigona mosquito  Wrens
  3. By: Conference on Photoperiodism Gatlinburg, Tenn.) - Withrow, Robert B.
    Publication info: Washington, 1959
    Holding Institution: MBLWHOI Library
    Subjects: Congresses  Photoperiodism  
  4. By: Murneek, Andrew Edward,
    Publication info: Waltham, Mass, Chronica Botanica Co, 1948
    Holding Institution: MBLWHOI Library
    Subjects: Photoperiodism  Vernalization  
  1. By: Moreira, Míriam Ferraz - Vieira, Candida C. J. - Zaidan, Lilian B. P.
    Type: Article
    In: Sociedade Botânica de São Paulo
    Date: 1999-12-01
    Publication Info: Sociedade Botânica de São Paulo 1999-12-01
    Subjects: fructan accumulation  Gomphrena  Photoperiodism  
  2. By: Ruggiero, Patricia G. C. - Zaidan, Lilian B. P.
    Type: Article
    In: Sociedade Botânica de São Paulo
    Date: 1997-06-01
    Publication Info: Sociedade Botânica de São Paulo 1997-06-01
    Subjects: Cerrado  flowering  Growth  Photoperiodism  Viguiera robusta