Variation among healthy and deteriorating aspen clones [Populus tremuloides].
1980
Schier G.A. | Campbell R.B.
书目信息
USDA Forest Service Research Paper INT (USA). no. 264.
ISSN
0363-6232
语言
英语
注释
ill. 12 ref. AVAILABILITY: NAL, USDA, Beltsville, Md. 20705 - USA
类型
Monograph; Non Conventional
2012-11-15
AGRIS AP