Indexing and abstracting in theory and practice, 3rd edition.

[1] [Anonymous], 1988, AUTOMATIC TEXT PROCE

[2] [Anonymous], ART ABSTRACTING

[3] [Anonymous], 2003, Indexing and abstracting in theory and practice

[4] BERNIER CL, 1985, SUBJECT INFORM ANAL, P423

[5] CREVERDON CW, 1966, READINGS INFORM RETR

[6] THE AUTOMATIC CREATION OF LITERATURE ABSTRACTS [J]. IBM JOURNAL OF RESEARCH AND DEVELOPMENT, 1958, 2 (02) : 159 - 165

[7] Mani I., 2001, AUTOMATIC SUMMARIZAT

[1] [Anonymous], 1988, AUTOMATIC TEXT PROCE

[2] [Anonymous], ART ABSTRACTING

[3] [Anonymous], 2003, Indexing and abstracting in theory and practice

[4] BERNIER CL, 1985, SUBJECT INFORM ANAL, P423

[5] CREVERDON CW, 1966, READINGS INFORM RETR

[6] THE AUTOMATIC CREATION OF LITERATURE ABSTRACTS [J]. IBM JOURNAL OF RESEARCH AND DEVELOPMENT, 1958, 2 (02) : 159 - 165

[7] Mani I., 2001, AUTOMATIC SUMMARIZAT