Information sources in patents
edited by C.P. Ager
Bowker-Saur, 1992
 Buku Referensi
Wiggins, Gary, 1943-, author
Chemical information sources
McGraw-Hill, 1991
 Buku Teks
Information sources in the medical sciences
editors, L.T. Morton, S. Godbolt
Butterworth, 1984
 Buku Referensi
Ching-Chih, Chen, author
Scientific and technical information sources
MIT Press, 1977
 Buku Teks
Holler, Frederick L., author
Information sources of political science
ABC-Clio, 1981
 Buku Teks
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