Geographia Polonica (1982) vol. 48

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Two isopleth maps of world population density constructed on equal-size unit areas

Franciszek Uhorczak, Leszek Grzechnik, Ryszard Żelasko

Geographia Polonica (1982) vol. 48, pp. 93-104

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Franciszek Uhorczak, Institute of Earth Sciences, Maria Curie-Sklodowska University, Lublin
Leszek Grzechnik, Institute of Earth Sciences, Maria Curie-Sklodowska University, Lublin
Ryszard Żelasko, Institute of Earth Sciences, Maria Curie-Sklodowska University, Lublin