Space Technology and Production

3³⁰ BGN
€ 1⁶⁹ 

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Cybernetics Primer

1⁸⁰ BGN
€ 0⁹² 

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Card games

2⁸⁰ BGN
€ 1⁴³ 

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Social stratification in Bulgaria

4⁵⁰ BGN
€ 2³⁰ 

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USSR

1⁸⁰ BGN
€ 0⁹² 

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Interpol

2⁵⁰ BGN
€ 1²⁸ 

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USSR

1⁸⁰ BGN
€ 0⁹² 

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Birds

4⁵⁰ BGN
€ 2³⁰ 

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Bionics

4⁸⁰ BGN
€ 2⁴⁵ 

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Mathematical modeling

4⁵⁰ BGN
€ 2³⁰ 

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Young friends of nature

2⁸⁰ BGN
€ 1⁴³ 

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Star Town

2⁵⁰ BGN
€ 1²⁸ 

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Popular Physics

9⁰⁰ BGN
€ 4⁶⁰ 

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The Problem with Extraterrestrial Civilizations

3⁵⁰ BGN
€ 1⁷⁹ 

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Space-hard solid fuel engines

2⁸⁰ BGN
€ 1⁴³ 

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Space Medicine and Biology

3⁰⁰ BGN
€ 1⁵³ 

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Modern Achievements of Cosmonautics

2⁵⁰ BGN
€ 1²⁸ 

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Modern Achievements of Cosmonautics

2⁵⁰ BGN
€ 1²⁸ 

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Scientific Orbital Complex

3⁰⁰ BGN
€ 1⁵³ 

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Space Command Center

2⁸⁰ BGN
€ 1⁴³ 

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Space Launch Complexes

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€ 1⁴³ 

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Flights under the INTERCOSMOS program

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Entertaining Cosmology

4⁸⁰ BGN
€ 2⁴⁵ 

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Entertaining biology

6⁵⁰ BGN
€ 3³² 

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