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21Published 1990“...GB 2401.2 .W0549 1990...”
Conference Proceeding Book -
22
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23
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24Published 1988“...GB 2401.72 .R42 .S253...”
Government Document Book -
25
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26
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27
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28Published 1997“...GB 2401.72 .M35 .N813...”
Book -
29Published 1984“...GB 2401.72 .M32 .M617 1984...”
Book -
30Published 1987“...GB 2401.2 .W926...”
Conference Proceeding Book -
31Published 1993“...GB 2401.72 .R32 .R124...”
Book -
32Published 1978“...GB 2401.2 .S989 5th...”
Conference Proceeding Book