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21
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22Izdano 1994Teme “...Environmental protection Congresses....”
Knjiga -
23
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24Izdano 1993Teme “...Environmental protection Antarctica....”
Knjiga -
25Izdano 1993Teme “...Environmental protection Antarctica....”
Knjiga -
26
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27od James, D. E. (David Edward), 1942-Teme “...Environmental protection Economic aspects....”
Izdano 1978
Knjiga -
28od Blaker, David (David Neville)Teme “...Environmental protection Juvenile literature....”
Izdano 1994
Knjiga -
29Izdano 2002TemeElektronički Softver e-knjiga
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30Izdano 2011Teme Full text available from 2011 to present
Archived copy available at the National Library of New Zealand
Elektronički Serijal -
31
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32
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33
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34Izdano 1981Teme “...Environmental protection Oceania Congresses....”
Knjiga -
35
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36Izdano 1983Teme “...Environmental protection Social aspects....”
Knjiga -
37Izdano 1982Teme “...Environmental protection India Periodicals....”
Žurnal -
38
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39od Trudgill, Stephen T. (Stephen Thomas), 1947-Teme “...Environmental protection....”
Izdano 1990
Knjiga -
40Izdano 1991Teme “...Environmental protection....”
Knjiga