Encounters with comets

~3⁵⁹ €

1d 1h 46m

djin82 (8)

Ecological bases of production

~2⁵⁷ €

1d 2h 10m

djin82 (8)

A surprisingly simple story of science and discovery

~2⁵⁷ €

1d 2h 16m

djin82 (8)

The cat

~2⁰⁵ €

1d 2h 24m

djin82 (8)

Healthy and safe working conditions

~3³⁹ €

1d 2h 30m

djin82 (8)

Nobel laureates

~5¹³ €

1d 2h 34m

djin82 (8)

Labor protection. Fire security.

~1⁵⁴ €

1d 2h 42m

djin82 (8)

Electrothermia and electrowelding.

~3⁵⁹ €

1d 2h 44m

djin82 (8)

Fundamentals of hydraulics and pneumatics

~2⁵⁷ €

1d 2h 50m

djin82 (8)

Manual for laboratory exercises

~3⁵⁹ €

2d 21h 26m

djin82 (8)

Windings of asynchronous motors

~5¹³ €

2d 21h 36m

djin82 (8)

Testing and adjustment of industrial steam boilers

~1⁵⁴ €

2d 21h 42m

djin82 (8)

Technical drawing

~2⁰⁵ €

2d 21h 50m

djin82 (8)

Constructive drawing

~1⁵⁴ €

2d 21h 54m

djin82 (8)

The unknown universe.

~3⁰⁸ €

3d 23h 14m

djin82 (8)

A little book about science

~3⁰⁸ €

3d 23h 18m

djin82 (8)

A talker. Bulgarian-Italian.

~2⁵⁷ €

3d 23h 24m

djin82 (8)

Bulgarian-Italian phrasebook

~1⁵⁴ €

3d 23h 30m

djin82 (8)