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21
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22Published 1975“...Nauk. dumka,...”
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23
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24Published 1976“...Nauk. dumka,...”
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25
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26
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27
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28
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29Published 1994“...Nauk. dumka,...”
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30
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31
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32by Tonkalʹ, V. E., Pelykh, V. M. (Vladimir Maksimovich), Stogniĭ, B. S. (Boris Sergeevich)“...Nauk. dumka,...”
Published 1979
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33
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34
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35Published 1979“...Nauk. dumka,...”
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36
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37Published 1987“...Nauk. dumka,...”
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38
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39
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40