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1.
Syst.for defining & classifying natur.reg.for purposes of conservation by
Material type: Text Text; Literary form: Not fiction
Publisher: Morges,Int.Union for Conserv.of Nature & Natur.Resourc.,IUCN Occasional Paper N°7,V+47pp. 1973
Availability: Items available for loan: Library of Agronomy (1).
2.
Ecolog.principles for econ.devt. by
Material type: Text Text; Literary form: Not fiction
Publisher: London,Nw York,Sydney,Toronto,J.Wiley & Sons Ltd.,IX+252pp. 1973
Availability: Items available for loan: Library of Agronomy (1).
3.
Classif.& use of protected natur.& cultural areas by
Material type: Text Text; Literary form: Not fiction
Publisher: Morges,IUCN & Nat.Resourc.,IUCN Occasional Paper N°4,24pp. 1973
Availability: Items available for loan: Library of Agronomy (1).
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