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		No cover image available Human population problems in the biosphere : some research strategies and designs / by Paul Baker ... [et al.]. by Baker, Paul [coaut.] \| UNESCO. Series: MAB technical notes ; 3Material type: Text; Literary form: Not fiction Publication details: París : UNESCO, 1977Availability: No items available.
		problèmes et propositions de plans de recherche / Paul Baker ... [et al.]. by UNESCO. Series: MAB technical notes ; 3Material type: Text; Literary form: Not fiction Publication details: París : UNESCO, 1977Availability: No items available.

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