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Scientists propose conservation parks on Mars

International agreement could preserve important sites.

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  1. CockellC. & HorneckG.Space Policy, 20. 291 - 295 (2004).

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  2. SpennemannD. H. R. Space Policy, 20. 297 - 290 (2004).

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Peplow, M. Scientists propose conservation parks on Mars. Nature (2004).

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