Per A. Holst
发表
Per A. Holst,
1979
.
Per A. Holst,
1972,
IEEE Transactions on Computers.
Per A. Holst,
1972
.
Per A. Holst,
1982,
Annals of the History of Computing.
Per A. Holst,
1974
.
Per A. Holst,
1977
.
Per A. Holst,
1996,
IEEE Ann. Hist. Comput..
Per A. Holst,
2003
.