Citiranje zadetka :: ULB Card Catalogues

(1970). Use and conservation of the biosphere: Proceedings of the intergovernmental conference of experts on the scientific basis for rational use and conservation of the resources of the biosphere, Paris, 4-13 sept. 1968. Unesco.

Use and Conservation of the Biosphere: Proceedings of the Intergovernmental Conference of Experts on the Scientific Basis for Rational Use and Conservation of the Resources of the Biosphere, Paris, 4-13 Sept. 1968. Paris: Unesco, 1970.

Use and Conservation of the Biosphere: Proceedings of the Intergovernmental Conference of Experts on the Scientific Basis for Rational Use and Conservation of the Resources of the Biosphere, Paris, 4-13 Sept. 1968. Unesco, 1970.