Yazar
Douglas James Gerrard
5 cilt bulundu.
Cilt sonuçları
Competition quotient: a new measure of the competition affecting individual forest trees
Douglas James Gerrard · Agricultural Experiment Station, Michigan State University
32 sayfa · 1969
Forest thinning / Forests and forestry / Growth (Plants) / Mensuration / Measurement
Tree volume estimation by weighted multiple regression
Douglas James Gerrard · Yayınevi bilinmiyor
Sayfa sayısı yok · 1963
Electronic data processing / Forests and forestry / Measurement
The construction of standard tree volume tables by weighted multiple regression
Douglas James Gerrard · Dept. of Lands and Forests, Province of Ontario
35 sayfa · 1966
Forests and forestry / Measurement / Statistical methods / Sugar maple / Tables
Temples and Suburbs
John Shepherd, Kevin Rielly, Kevin Hayward, James Gerrard, Douglas Killock · Pre-Construct Archaeology Limited
Sayfa sayısı yok · 2015
Roman Antiquities / Excavations (Archaeology) / Romans