Verbatim text: Morgenstern, E.K. and J.L. Farrar. 1964. Introgressive Hybridization in Red Spruce and Black Spruce. [Toronto.] [Univ. Toronto, Fac. Forest., Techn. Rep. 4.]
Author: Morgenstern, E.K., Farrar, J.L.
Year: 1964
Title: Introgressive Hybridization in Red Spruce and Black Spruce
Source: Univ. Toronto, Fac. Forest., Techn. Rep. 4.