1. 1
    by Vince-Prue, Daphne
    Published 1975
    Subjects ...Plant photoperiodism....
    Book
  2. 2
    by Thomas, Brian, 1949-
    Published 1997
    Subjects ...Plant photoperiodism....
    Book
  3. 3
    Published 1998
    Subjects
    Book
  4. 4