Pao tong
By: Henan nong xue yuan yuan lin xi bian
Edition: Di 1 ban, Xiu ding ben
Series: Henan su sheng shu zhong zai pei ji shu
Publisher: Henan ke xue ji shu chu ban she; Henan sheng xin hua shu dian fa xing
Published: 1982
Place of publication: [Zhengzhou shi]
Language: chi
Number of pages: 56