Mattsson, J. O. (1966). Cropclimatic studies: With special regard to the air temperature of potato fields.
Chicago-viite (17. p.)Mattsson, Jan O. Cropclimatic Studies: With Special Regard to the Air Temperature of Potato Fields. Lund, 1966.
MLA-viite (8. p.)Mattsson, Jan O. Cropclimatic Studies: With Special Regard to the Air Temperature of Potato Fields. 1966.
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