Genomics approach for studying the development of dormancy and winter hardiness in birch (Betula pendula) - Aalto, Markku K.; Heino, Pekka; Laine, Janne; Li, Chunyang; Ojala, Kalle; Paulin, Lars; Puhakainen, Tuula; Ulvila, Juha; Welling, Annikki; Palva, E. Tapio (Metsäntutkimuslaitos, 2003)