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× 1986 Eldon Byrd and Alan Rodger- Breakthrough The Computer Mind Catalyst 1986 Eldon Byrd and Alan Rodger- Breakthrough The Computer Mind Catalyst $9.99
$9.99
× 1993 Dan Davidson- Gravity Field Sensor Experiments 1993 Dan Davidson- Gravity Field Sensor Experiments $9.99
$9.99

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Subtotal $19.98
Total $19.98
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