Meyer, G. Optics in Agriculture, Forestry, and Biological Processing II. SPIE Digital Library.
Chicago-čujuhus (17. p.)Meyer, George. Optics in Agriculture, Forestry, and Biological Processing II. SPIE Digital Library.
MLA-čujuhus (9. p.)Meyer, George. Optics in Agriculture, Forestry, and Biological Processing II. SPIE Digital Library.
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