Robertson, G. W. (1983). Weather-based mathematical models for estimating development and ripening of crops. World Meteorological Organization.
Citace podle Chicago (17th ed.)Robertson, G. W. Weather-based Mathematical Models for Estimating Development and Ripening of Crops. Geneva: World Meteorological Organization, 1983.
Citace podle MLA (8th ed.)Robertson, G. W. Weather-based Mathematical Models for Estimating Development and Ripening of Crops. World Meteorological Organization, 1983.
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