Výsledky vyhľadávania
- Certification of sustainable forest management systems:The importance of field verification
Hughes R.N.
The Forestry Chronicle. Vol.72, No.6, November/December (1996), s. 1-3 . obr.
xkni - KNIHY
kniha
- Acidic Fog and Temperature Effects on Stimatic Recep- tivity in Two Birch Species
Hughes R.N.
Cox R.M.
Journal of Environmental Quality. Vol.23, No.4. (1994), s. 686-692. graf.
xkni - KNIHYkniha
- In Vitro Pollen Responses of Two Birch Species to Acidity and Temperature
Hughes R.N.
Cox R.M.
Journal of Environmental Quality. Vol.22, no.4. (1993), s. 799-804. graf.
xkni - KNIHYkniha