author = { Willke, Helmut },

title = { Systemtheorie },

publisher = {UVK-Verl.-Ges.},

publisher = {: UVK Lucius},

publisher = {: Lucius & Lucius},

publisher = {: G. Fischer},

keywords = { Soziologie , Systemtheorie },

year = {1982-},

year = {, 1982-},

year = {, 2000-2006},

year = {, anfangs},

booktitle = {UTB für Wissenschaft ; .},

address = { Konstanz , ; München , ; Stuttgart , ; Stuttgart },

url = { http://slubdd.de/katalog?TN_libero_mab2 }