试论二次旋转组合设计的多样性及其统一
蒋爱湘
A Preliminary Study on Diversity and Unification of Quadratic Rotatable Combinated Design
Jiang Aixiang
华北农学报 . 1993, (4): 120 -124 .  DOI: 10.3321/j.issn:1000-7091.1993.04.024