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BASIC PRINCIPLES AND METHODS TO DETERMINE WOOD DENSITY UNDER X-RAY http://nldxb.njfu.edu.cn/EN/10.3969/j.jssn.1000-2006.1984.02.016
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BASIC PRINCIPLES AND METHODS TO DETERMINE WOOD DENSITY UNDER X-RAY http://nldxb.njfu.edu.cn/EN/10.3969/j.jssn.1000-2006.1984.02.016
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