@techreport{weko_33484_1, author = "Koji,Ohnishi and Hiroshi,Shutou and Hajime,Sawamura and Masaki,Gota", title = "Neural -Network- like Bio - Machinogenesis via Semeiogenesis : Origins of Genetic Codes and Other Semeiotic Systems", year = "2001", institution = "Faculty of Science Niigata University, Faculty of Science Niigata University, Faculty of Engineering Niigata University, Faculty of Engineering Niigata University", number = "37(2001-MPS-034)", month = "may" }