<ref name="Xi_et_al_1995">{{cite book |first1=G. |last1=Xi |first2=Z. |last2=Liu |first3=S. |last3=Xu |year=1995 |title=Entomological research. First issue. A collection of research papers commemorating 40 years of teaching by Professor Zheng Zhemin. [In Chinese.] |url= |location=Xi'an |publisher=Shaanxi Normal University Press |pages=239 pp. |isbn=}}</ref>