APA
I.U.C.N, . (1971). Landscap Planning : International Syinposium On The Relationship between Engineering And Biology In Improving Cultural Landscape Leld In Brro (1170). Swizarland: I.U.C.N.
Chicago
I.U.C.N, . 1971. Landscap Planning : International Syinposium On The Relationship between Engineering And Biology In Improving Cultural Landscape Leld In Brro (1170). Swizarland: I.U.C.N.
Harvard
I.U.C.N, . (1971). Landscap Planning : International Syinposium On The Relationship between Engineering And Biology In Improving Cultural Landscape Leld In Brro (1170). Swizarland: I.U.C.N.
MLA
I.U.C.N, . Landscap Planning : International Syinposium On The Relationship between Engineering And Biology In Improving Cultural Landscape Leld In Brro (1170). Swizarland: I.U.C.N. 1971.
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