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Source: Olsson & Hibbs (2005), p. 914
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Source: Olsson & Hibbs (2005), p. 914
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Source: Olsson & Hibbs (2005), p. 914
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Source: Olsson & Hibbs (2005), p. 914
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Source: Olsson & Hibbs (2005), p. 914
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Source: Olsson & Hibbs (2005), p. 914