LEADER 00000nam 2200217 a 4500 001 0101718 003 UkHlHU 007 t 008 000909 0 1962 000 eng 040 UkHlHU 050 4 QH 406 H1 100 0 Hagberg, Arne. 245 00 Mutations and polyploidy in plant breeding /|ced A.Hagberg and E.Akerberg. 260 Stockholm :|bBonniers,|c1962. 300 149p. 650 0 Biology. 650 0 Variation of species. 700 0 Akerberg, Erik.
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