Genetics of yellow birch
Clausen, Knud E.
Genetics of yellow birch - Washington 1969 - 1-28 p. - Genetics, Birch United States Department of Agriculture. Forest Service Research Paper W. O. No. 18 .
Genetics of yellow birch - Washington 1969 - 1-28 p. - Genetics, Birch United States Department of Agriculture. Forest Service Research Paper W. O. No. 18 .