Schwarz, U., 1985, Le jardin naturel, Editions Payot Lausanne, Suitzerland
- Author : Schwarz, U.
- Year : 1985
- Title English : The natural garden
- Publisher : Editions Payot Lausanne
- Publisher's Location : Suitzerland
- ISBN : 2-601-02213-2
- Pages : 96
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