A THIRD VOICE TO THE DIFFERENT OPINIONSON THE DEDECTION OF <I>P</I><SUB>n</SUB>=<I>P</I><SUB>1</SUB>/N<SUP>2</SUP>

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A THIRD VOICE TO THE DIFFERENT OPINIONSON THE DEDECTION OF P_n=P₁/N²

Cheng Zichun

Scientia Silvae Sinicae . 1987, (1): 76 -78 .