COHEN, J. E.; SMALL, C. Hypsographic demography: The distribution of human population by altitude. S. 14009–14014. Proceedings of the National Academy of Sciences [online]. 1998-11-24. Roč. 95, čís. 24, s. 14009–14014. Dostupné online. DOI10.1073/pnas.95.24.14009. PMID9826643. (anglicky)
nih.gov
ncbi.nlm.nih.gov
COHEN, J. E.; SMALL, C. Hypsographic demography: The distribution of human population by altitude. S. 14009–14014. Proceedings of the National Academy of Sciences [online]. 1998-11-24. Roč. 95, čís. 24, s. 14009–14014. Dostupné online. DOI10.1073/pnas.95.24.14009. PMID9826643. (anglicky)
pnas.org
COHEN, J. E.; SMALL, C. Hypsographic demography: The distribution of human population by altitude. S. 14009–14014. Proceedings of the National Academy of Sciences [online]. 1998-11-24. Roč. 95, čís. 24, s. 14009–14014. Dostupné online. DOI10.1073/pnas.95.24.14009. PMID9826643. (anglicky)