共 5 条
[1]
AVRAM H., 1975, MARC ITS HIST IMPLIC
[2]
Urquhart's and Garfield's laws: The British controversy over their validity
[J].
JOURNAL OF THE AMERICAN SOCIETY FOR INFORMATION SCIENCE AND TECHNOLOGY,
2001, 52 (09)
:714-724
[3]
Garfield E., 1979, CITATION INDEXING IT
[4]
*INF PLANN GROUP, 1993, PROP SCH INF MAN SYS
[5]
URQUHART DJ, 1959, J DOC, V27, P21