R. L. Williams
发表
P. Williams,
R. L. Williams,
P. R. Williams,
2000,
Proceedings of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences.
P. Williams,
R. L. Williams,
Emil-Alexandru Brujan,
2008
.
R. L. Williams,
R. L. Williams,
P. R. Williams *,
2004
.
L. M. Grover,
L. Grover,
S. Cox,
2016,
Scientific Reports.