Roy Richards
发表
Roy Richards,
1991
.
Roy Richards,
1966
.
Roy Richards,
1980
.
Roy Richards,
1991
.
Roy Richards,
Keith Sexton,
Kelly BéruBé,
2002,
Environmental monitoring and assessment.
Roy Richards,
Teresa Moreno,
Luciano Merolla,
2004,
The Science of the total environment.