Assay Methods and Standards for Winterness Characteristics of Cabbage
Li Changying, Jian Yuancai, Du Gangcen, Wu Guosheng
ACTA AGRICULTURAE BOREALI-SINICA . 1999, (3): 123 -127 .  DOI: 10.3321/j.issn:1000-7091.1999.03.025