Seedlings of the North-Western European lowland : a flora of seedlings by Muller, F.M

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Ecology and utilization of desert shrub rangelands in Iraq by Thalen, D.C.P

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Environmental and biological control of photosynthesis : proceedings of a conference held at the Limburgs Universitair Centram, Diepenbeek, Belgium, 20th-30th August 1974

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A new ecophysiological approach to forest-water relationships in Arid climates by Gindel, I.

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European ecosystems by Marcuzzi, Giorgio

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Aquatic weeds in south east Asia : proceedings

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Tropical grazing lands : communities and constituent species by Whyte, Robert Orr

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Ordination classification of communities

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