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Wyniki spisu rolnego / Mechanizacja gospodarstw i dodatkowe informacje o indywidualnych gospodarstwach rolnych
(1995)
Development of the agricultural machinery industry in developing countries : proceedings of the 2nd International Conference [on Agricultural Mechanization in Developing Countries was held at the RAI Congress Centre in Amsterdam, the Netherlands, 23 - 26 January 1984]
Moens, Adrian, (1984)
Mechanization in the PRC
Hallford, Scott S., (1976)
A formulation of the Pareto distribution
Sahal, Devendra, (1978)
SELF, a framework for generation of patterns
Sahal, Devendra, (1977)
A unified theory of self-organization