Guanjun Liu

Xian dai zhen jiu yi an xuan

Zi wu liu zhu yu zhen jiu tui zhuan pan

Zhong yi zhen jiu jing xue ji cheng

Zhong yi zhen fa ji jin

Zhonghua mai zhen

Zhong yi jiu liao ji yao

Petri Nets

Xin jing ji san lun

Liu Guanjun lin zheng yi fang miao yong