Hegmann, Franz.2009-03-232009-03-2319721972Source: Masters Abstracts International, Volume: 40-07, page: .http://hdl.handle.net/10393/7246http://dx.doi.org/10.20381/ruor-15239Engineering, General.A biometrical study of Tsuga canadensis (L.) Carr. in the Gatineau Park, P. Q., Canada.Thesis