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David W. Williams, Andrew M. Liebhold, Herbivorous Insects and Global Change: Potential Changes in the Spatial Distribution of Forest Defoliator Outbreaks, Journal of Biogeography, Vol. 22, No. 4/5, Terrestrial Ecosystem Interactions with Global Change, Volume 2 (Jul. - Sep., 1995), pp. 665-671
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Williams et al. (1995) studied this question.
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