R. Thayer
发表
Robert L. Thayer,
R. Thayer,
Carla M. Freeman,
1987
.
Robert L. Thayer,
R. Thayer,
1993
.
R. Thayer,
Robert L. Jr. Thayer,
Brian G. Atwood,
1978
.
Robert L. Thayer,
R. Thayer,
2008,
Landscape Journal.
R. Thayer,
1982,
HortScience.
Robert L. Thayer,
Ronald W. Hodgson,
R. Thayer,
1980
.
Robert L. Thayer,
R. Thayer,
2003
.
R. Thayer,
1983
.
Robert L. Thayer,
R. Thayer,
1992,
Landscape Journal.
R. Thayer,
2019
.
Robert L. Thayer,
R. Thayer,
1989,
Landscape Journal.
R. Thayer,
B. Maeda,
1985,
Arboriculture & Urban Forestry.
Robert L. Thayer,
R. Thayer,
1998,
Landscape Journal.