平台:
ACM Digital Library Complete
(Available from 1971/09/01 issue: 5 until 2000/09/30 issue: 68. Available from 2001/01/01 issue: 69 until 2003/06/30 issue: 76.)
ACM Digital Library Complete
(Available from 1971/09/01 issue: 5 until 2000/09/30 issue: 68. Available from 2001/01/01 issue: 69 until 2003/06/30 issue: 76.)