TY - BOOK AU - Heim,R & Palm,G (eds) ED - Palm, G TI - Theoretical approaches to complex systems: proceedings tubingen, june 11-12, 1977 T2 - Lecture notes in biomathematics 21 SN - 3540087575 U1 - 14.06 PY - 1978/// CY - Berlin PB - Springer ER -