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21
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22Published 1980“...HQ 76.8 .N5 .N277...”
Book -
23Published 1980“...HF 5657 .N532...”
Book -
24
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25
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26
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27Published 1982“...HE 373 .N53 .T13 .T764...”
Book -
28
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29
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30Published 1981“...HM 1033 .S6765 1981...”
Book -
31
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32
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33
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34
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35
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36Published 1975“...HQ 471 P836...”
Book -
37
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38Published 1976“...HN 723 .C748...”
Conference Proceeding Book -
39
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40