Roger T. Hartley
发表
R. Hartley,
Roger T. Hartley,
1992
.
Heather D. Pfeiffer,
R. Hartley,
H. D. Pfeiffer,
2002
.
Dihong Qiu,
Roger T. Hartley,
Heather D. Pfei,
1999
.
Roger T. Hartley,
1999
.
R. Hartley,
Roger T. Hartley,
1981
.
Roger T. Hartley,
1982
.
Heather D. Pfeiffer,
Roger T. Hartley,
1991
.