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MLA

Von Steen, Donald H. "Crop Identification & Acreage : Measurement Utilizing Erts Imagery 013; Progress Report." ,

APA

Von Steen, D. H. (0000). Crop identification & acreage : Measurement utilizing ERTS imagery 013; progress report.

Chicago

Von Steen, Donald H. "Crop identification & acreage : Measurement utilizing ERTS imagery 013; progress report" (1974):