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Kotze JDF, Beukes HB, Seifert T (2019). Essential environmental variables to include in a stratified sampling design for a national-level invasive alien tree survey. iForest - Biogeosciences and Forestry 12: 418-426.
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Why do countries like Brazil, Spain, and Italy have aircraft carriers if they're not attacking anyone? - Quora
What were the odds, by crew position, of an airman being able to bail out of a crashing B17 bomber over Europe in World War II? I assume that the tail gunner
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