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21
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22
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23
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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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30
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31
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32Published 1970Subjects: “...Shells....”
Book -
33Published 1984Subjects: “...Shells (Engineering) Congresses....”
Conference Proceeding Book -
34Published 1989Subjects: “...Shells (Engineering) Congresses....”
Book -
35Published 1990Subjects: “...Shells (Engineering)...”
Book -
36
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37
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38by Morris, Percy A., 1899-1969Subjects: “...Shells Atlantic Coast (U.S.) Identification....”
Published 1973
Book -
39by Abbott, R. Tucker (Robert Tucker), 1919-1995Subjects: “...Shells Atlantic Coast (U.S.) Identification....”
Published 1995
Book -
40