How to search
1. From the home page select "Search"

2. Enter one or more search topics: title or key words, author and select the type of the searched document.

3. Select the "Search" button.

4. Select a document from the result list,to view detiled information

Why should i register?
The registration is optional .

It is not obligatory to register, if you want just to search in the catalogue and to order documents.

If you want to enter a new document you must be registered.

How can I register ?
To register yourself in the virtual library you have to send an e- mail containing some personal data on the following address library@obzor.bio21.bas.bg

Your message should incude:

1. A valid e-mail address, which will be your username in the system

2. Password

3. First and Last Name