Hopgood
发表
Hopgood,
Witty,
1982,
IEEE Computer Graphics and Applications.
Hopgood,
Bono,
Bono,
1982,
IEEE Computer Graphics and Applications.
Rudy Lauwereins,
Hopgood,
Da Duce,
1990
.
Hopgood,
K. Wong,
2011
.