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The Paul Birch Archive
Announcing the Paul Birch Archive.
The Orion's Arm Universe Project has collected all available material written by the late Paul Birch of the British Interplanetary Society, and is now making it available on this page. Includes papers on terraforming, moving planets, orbital rings and supermundane worlds.

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The Paul Birch Archive - by stevebowers. - 02-28-2013, 09:23 AM

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