ЭКОЛОГИЧЕСКИЕ ПРОБЛЕМЫ И ФАКТОР ВРЕМЕНИ
In: Proceedings of the Estonian Academy of Sciences. Humanities and Social Sciences, Band 42, Heft 1, S. 5
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In: Proceedings of the Estonian Academy of Sciences. Humanities and Social Sciences, Band 42, Heft 1, S. 5
In: Proceedings of the Estonian Academy of Sciences. Humanities and Social Sciences, Band 41, Heft 2, S. 95
In: Proceedings of the Estonian Academy of Sciences. Humanities and Social Sciences, Band 35, Heft 3, S. 248
In: Proceedings of the Estonian Academy of Sciences. Humanities and Social Sciences, Band 32, Heft 4, S. 277
In: Proceedings of the Academy of Sciences of the Estonian SSR. Physics. Mathematics, Band 28, Heft 4, S. 310
In: Proceedings of the Estonian Academy of Sciences. Humanities and Social Sciences, Band 20, Heft 3, S. 259
In: Proceedings of the Estonian Academy of Sciences. Humanities and Social Sciences, Band 19, Heft 3, S. 311
In: Proceedings of the Estonian Academy of Sciences. Humanities and Social Sciences, Band 19, Heft 4, S. 398
In: Proceedings of the Estonian Academy of Sciences. Humanities and Social Sciences, Band 17, Heft 2, S. 124
In: Proceedings of the Estonian Academy of Sciences. Humanities and Social Sciences, Band 30, Heft 2, S. 126
In: Eesti NSV Teaduste Akadeemia Toimetised, Band 2, Heft 4, S. 534
In: Proceedings of the Estonian Academy of Sciences. Humanities and Social Sciences, Band 32, Heft 2, S. 109