1. A book “Venus” from A.
Petrov
2. Internet address: www.eso.org, www.geocities.com
3. Bulgarian Educational
package “Venus transit”
Book for students and teachers
CD-ROM “Computer presentation and
cartoons”
4. “Astronomic almanac – 2004” – published by
“Naturela”
5. Textbook at Astronomy –
published by “Pedagog” Nikola Nikolov, Veselka Radeva, Elisaveta Ilieve.
6. Safety Instructions
7. web-page:Venus Transit –
2004 Brief InfoSheet B2
8.
web-page:Venus
Tranist – 2004 Extended InfoSheet B2
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