共 7 条
[1]
FANO RM, 1961, TRANSMISSION INFORMA
[2]
MEDLARS - REPORT ON EVALUATION OF ITS OPERATING EFFICIENCY
[J].
AMERICAN DOCUMENTATION,
1969, 20 (02)
:119-142
[3]
A STUDY OF INDEXING PROCEDURES IN A LIMITED AREA OF MEDICAL SCIENCES
[J].
AMERICAN DOCUMENTATION,
1961, 12 (01)
:27-&
[6]
SORGEL D, 1967, INFORMATION STORAGE, V3, P129
[7]
1963, MEDLARS STORY NATION