Elm tree [Ulmus americana, patents].
1972
Flemer W.J. | Flemer W. III
书目信息
Plant Patents - U.S. Patent Office (USA). no. 3108.
语言
英语
注释
Plate. AVAILABILITY: NAL, USDA, Beltsville, Md. 20705 - USA
类型
Journal Article; Non Conventional
团体作者
U.S. Dept. of Agriculture.
2012-11-15
AGRIS AP
