@inproceedings{Troitzsch2013, author = {Klaus G. Troitzsch}, title = {Catastrophe, Chaos and Self-Organization in Social Systems Invited Papers of a Seminar Series on Catastrophic Phenomena in Soviet Society and Self-Organized Behaviour of Social Systems Held at the Institute of Sociology of the Academy of Sciences of the Ukrainian Republic Kiev, September 4 to 11, 1992}, series = {Invited Papers of a Seminar Series on Catastrophic Phenomena in Soviet Society and Self-Organized Behaviour of Social Systems Held at the Institute of Sociology of the Academy of Sciences of the Ukrainian Republic Kiev, September 4 to 11, 1992}, year = {2013}, }