Barbour, Michael G.
Terrestrial plant ecology
The Benjamin/Cummings , 1987
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South, A.
Terrestrial slugs: biology, ecology and control
Chapman and Hall, 1992
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Weaver, John E.
Plant ecology
McGraw-Hill, 1938
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Etherington, John R.
Environment and plant ecology
John Wiley & Sons, 1982
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Silvertown, Jonathan W.
Introduction to plant population ecology
Longman, 1987
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