Aerial survey techniques appropriate to estimating cropping quotas / by Graeme Caughley.
Material type:
TextSeries: Project working document ; no. 2Publication details: Nairobi : Food and Agriculture Organization of the United Nations , 1972.Description: ii, 13 p. ; 30 cmSubject(s): Other classification: - UNDP/FAO (08) 1/2
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Bibliography: (p. 13.)
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