Hang kong ran qi wo lun fa dong ji/ Hang kong ran qi wo lun fa dong ji qiang du she ji/ Hang kong ran qi wo lun fa dong ji yuan li/. Xia ce. Hang kong- ran qi lun ji- wo lun pen qi fa dong ji Hang kong wo lun feng shan fa dong ji/ Hang kong ran qi guo lun fa dong ji yuan li/. Shang ce. Dong fang yan jiu lun wen ji/ Hang kong fa dong ji Hang kong jing ji lun cong Gao su chai you fa dong ji/