Henan Sheng hua sheng pin zhong zhi (tao lun gao)
By: Henan Sheng nong lin ke xue yuan jing ji zuo wu suo
Publisher: Henan Sheng nong lin ke xue yuan jing ji zuo wu suo.]
Published: 1983
Place of publication: [Henan Sheng
Language: chi
Subjects: History; Varieties