Heck, A. (Andr)̌ Star guides : a directory of astronomy, space sciences, and related organizations of the world / Andr ̌Heck.

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Heck, A. (Andr)̌

Star guides : a directory of astronomy, space sciences, and related organizations of the world / Andr ̌Heck.

Astronomy -- Societies, etc. -- Handbooks, manuals, etc.

Space sciences -- Societies, etc. -- Handbooks, manuals, etc.