K. Ballard
发表
G. Clark,
K. Ballard,
1981
.
K. Ballard,
V. Blomo,
1978
.
R. Wendling,
K. Ballard,
1980
.
G. Clark,
K. Ballard,
1981,
Regional studies.
K P Ballard,
G. Clark,
G L Clark,
1980,
Environment & planning A.
R. Wendling,
K. Ballard,
1980,
Journal of regional science.
N. Glickman,
Norman J. Glickman,
Kenneth P. Ballard,
1977
.
Kenneth P. Ballard,
K. Ballard,
1983
.
K Moghadam,
K P Ballard,
K. Ballard,
1988
.
Tapan Munroe,
K. Ballard,
1983
.