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21
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22Published 1982“...HE 562 .S557...”
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24
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25
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26
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27
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28
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29
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30Published 1979“...HE 193 .T772...”
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32
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33Published 1976“...HE 148.5 .S471 1976...”
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34
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35Published 1974“...HE 243 .I38...”
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36
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37Published 1978“...HE 148.5 .S471 1978...”
Conference Proceeding Book -
38Published 1978“...HE 353 .N532 1978...”
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39Published 1975“...HE 311 .C22 .O5 .U72...”
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40