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Displaying 1-2 of 2 results for author "Helliwell, D. R. (Denis Rodney)"
Planning for nature conservation / D.R. Helliwell.
- Text
- Chichester, West Sussex : Packard Pub., 1985.
- 1985
- 1 Item
Item details Format Call Number Item Location Text JFD 92-1547 Schwarzman Building - General Research Room 315 Available - Can be used on site. Please visit New York Public Library - Schwarzman Building to submit a request in person.
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.
- Text
- Chichester : Packard Pub. ; Philadelphia, Pa. : Distributed by International Ideas Inc., 1982.
- 1982
- 1 Item
Item details Format Call Number Item Location Text SD373.H46 1982 Off-site
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