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Planning for nature conservation / D. R. Helliwell by Series: Applied ecology and natural resources management
Material type: Text Text
Availability: Items available for loan: UOE Main Library (4)Call number: QH77.G7 .H4 1985, ...
2.
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Options in forestry : a review of literature on the effects of different tree species and silvicultural systems on soil, flora, fauna, visual amenity, and timber production / D.R. Helliwell. by
Material type: Text Text
Publication details: Chichester : Philadelphia, Pa. : Packard Pub. ; Distributed by International Ideas Inc., c1982
Availability: Items available for loan: UOE Main Library (1)Call number: SD391 .H46 1982.
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Economics of Woodland Management / D.R.Helliwell by
Material type: Text Text
Publication details: Chichester : Packard Publishing Limited, c1988
Availability: Items available for loan: UOE Main Library (2)Call number: SD414.G7 H45 1988, ...