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: 4
: 30/10/2006

:     18, 2006 9:05 pm


4
d BASE IV

" (( )) ASHTON TATE 1980 (()) d BASE II d BASE III d BASE III Plus (1)" d BASE IV .

Aknight Ridder CompanyPress Link on Line
WWW.presslink.com

ɡ .


Bowker Saur
WWW.bowker-saur.com/service

.

TDC Link
WWW.Lib.cuhk.edu.hk

20 .
Computer search services university of verginia

. 300 : Biosis Psyeinfomedicine

Data Time
www.enews.com/custer/datatimes

ѡ 500 200 .


Derwent
www.derwent.co.uk/navigatdr/prices/97subacchtm/

.


Silver platter
www.silverplatter.com

.
MESERVE Network
www.mednetwork.com

" "(2).
Access Russia,Inc the in formation Delivery company
www.arussia.com/ehom.html

.
(())
Maruzen
www.maruzen.co.jp

1869 ɡ .
BIBSYS Data Base
www.bibsy.no

1977
Information Technology and communication.ITC
www.medvirginia.edu/hu.library


WLN
WLN Data Base
www.wlin.com

11 (ILL) MARC .

Uncover
www.carl.org

17.000 .
Publisher`s Depot
www.publishersdepot.com

350 .
(OCLC) On Line Computer Library center
www.ocle.org

1966 ( ) ...... 1972 1972 1977 2500 .



1977 300 .



BLAISE

1995 .

The ERIC Data Base
ERIC 1999 888.059 100 ɡ .
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(())



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