Evaluation of the MEDLARS demand search service
Lancaster, F. Wilfrid 1933-2013.
Evaluation of the MEDLARS demand search service [by] F. W. Lancaster. - [Washington] U.S. Dept. of Health, Education, and Welfare, Public Health Service, 1968. - viii, 276 p. illus. 26 cm.
68062609
MEDLARS.
Z699.5.M39 / L3
025.066 1 LAN
Evaluation of the MEDLARS demand search service [by] F. W. Lancaster. - [Washington] U.S. Dept. of Health, Education, and Welfare, Public Health Service, 1968. - viii, 276 p. illus. 26 cm.
68062609
MEDLARS.
Z699.5.M39 / L3
025.066 1 LAN