State Technical Library
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Online Catalogues

Sources of Information

List of Services

Information of the STL

WWW Search Tools

 
Selected Czech WWW directories and search engines  
Slovak WWW directories and fulltext search engines Other foreign WWW directories and search engines  
Invisible web

 

 

Specialized searching

 

Biology

Bionity.com

Bioresearch

Bioexplore.Net

Economy and commerce

Business.Com

Bpubs

Energetics

EPRI - Energy Search

Geology

Geo-Guide

Chemistry

Chemie.DE

ChemFinder

ChemIndustry

Mathematics

Mathguide

Industry

PSI - Polymer Search on the Internet

Civil engineering

iCivil Engineer

Ultimate CE Directionary

Science

Scirus

SciSeek

SciNet Science Search

WWW Virtual Library

Ask Eric

Martindale`s The Reference Desk

Computer technology

CNET Download.Com

Internet.com Downloads

Medicine

CitMed

NLM

OMNI

MedHunt

Medical Dictionary Search Engines

6. 2. 2006   Reference Centre         [CNW:Counter]