Predicting the productivity of sitka spruce on upland sites in Northern Britain /
Worrell, R.
Predicting the productivity of sitka spruce on upland sites in Northern Britain / R. Worrell. - London : Her Majesty's Stationery Office, 1987. - 12 s. : mapy, wykr. ; 24 cm. - Forestry Commission Bulletin ; No. 72 . - Forestry Commission Bulletin No. 72 .
Bibliogr.
0117102539
Predicting the productivity of sitka spruce on upland sites in Northern Britain / R. Worrell. - London : Her Majesty's Stationery Office, 1987. - 12 s. : mapy, wykr. ; 24 cm. - Forestry Commission Bulletin ; No. 72 . - Forestry Commission Bulletin No. 72 .
Bibliogr.
0117102539