共 17 条
[1]
BOURNE CP, 1965, ELECTRONIC INFORMATI, P95
[2]
ECONOMICS OF INFORMATION TRANSFER
[J].
TRANSACTIONS OF THE NEW YORK ACADEMY OF SCIENCES,
1969, 31 (07)
:803-&
[4]
DIMBLEBY J, 1971, NEW STATESMAN, P586
[6]
COST-EFFECTIVENESS ANALYSIS OF INFORMATION RETRIEVAL AND DISSEMINATION SYSTEMS
[J].
JOURNAL OF THE AMERICAN SOCIETY FOR INFORMATION SCIENCE,
1971, 22 (01)
:12-+
[8]
Quade ES, 1967, COST EFFECTIVENESS A, P1
[9]
SCHON DA, 1971, BEYOND STABLE STATE
[10]
SELF P, 1970, NEW SOC 0702, P8