TY  - BOOK
AU  - Nicholas,David
AU  - Erbach,Gertrud
TI  - Online information sources for business and current affairs : : an evaluation of Textline, NEXIS, Profile, and DIALOG / 
SN  - 0720118786 :
AV  - HF 5548.2 .N46 1989
U1  - 025/.0665 19
PY  - 1989///
CY  - London, New York
PB  - Mansell Pub.
KW  - Information storage and retrieval systems
KW  - Business
KW  - Handbooks, manuals, etc
KW  - Political science
KW  - Databases
N1  - Includes bibliographies and index
ER  -