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中文
幼龄苹果树整形修剪问题讨论
石千, 李春蔚, 李颖, 夏凤珍
ACTA AGRICULTURAE BOREALI-SINICA . 1964, (
3
): 13 -22 . DOI: 10.7668/hbnxb.1964.03.002
