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21
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22Published 1982“...HV 9230.4 .A9 .N532...”
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23
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24
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25
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26
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27Published 1980“...HE 3489 .A8 .W516...”
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28
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29
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30
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31
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32Published 1976“...HV 515.5 .Z9 .A8 .N532...”
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33Published 1972“...HT 169 .N52 .A8 .A898 p...”
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34Published 1972“...HT 169 .N52 .A8 .A898 pa...”
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35
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36
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37
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38Published 1976“...HV 9885 .A8 .A898...”
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39
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40