1. Arkhipov NP, Kuchma ND, Askbrant S et al (1994) Acute and long-term effects of irradiation on pine (Pinus silvestris) stands post-Chernobyl. Sci Total Environ 157:383–386. doi:
10.1016/0048-9697(94)90601-7
2. Forestry and Forest Products Research Institute (2012) Results of monitoring radioactive material in stream waters in rainy season. Accessed 15 Nov 2014 (in Japanese)
3. Forestry Agency (2011) Nation-wide liaison conference of supply and demand of mushroom logs.
http://www.rinya.maff.go.jp/j/tokuyou/shiitake/jyukyuukaigi.html
. Accessed 20 Nov 2014 (in Japanese)
4. Forestry Agency (2012a) Trial calculations of exposed dose for a man living in a room surrounded by wood.
http://www.rinya.maff.go.jp/j/press/mokusan/pdf/120809_1-02.pdf
. Accessed 10 June 2014 (in Japanese)
5. Forestry Agency (2012b) Revision of index for mushroom logs and culture medium for mushroom beds.
http://www.rinya.maff.go.jp/j/press/tokuyou/120328_2.html
. Accessed 15 Nov 2014 (in Japanese)