Уравнение на Дрейк (Bulgarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Уравнение на Дрейк" in Bulgarian language version.

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doi.org

Glade, N. и др. A stochastic process approach of the drake equation parameters // International Journal of Astrobiology 11 (2). 2012. DOI:10.1017/S1473550411000413. с. 103 – 108.
Burchell, M.J. W(h)ither the Drake equation? // International Journal of Astrobiology 5 (3). 2006. DOI:10.1017/S1473550406003107. с. 243 – 250.