(Power Electronics and Power Systems 94) Joe H. Chow (auth.), Joe H. Chow (eds.)-Power System Coherency and Model Reduction-Springer-Verlag New York (2013) - download at 4shared. (Power Electronics and Power Systems 94) Joe H. Chow (auth.), Joe H. Chow (eds.)-Power System Coherency and Model Reduction-Springer-Verlag New York (2013) is hosted at free file sharing service 4shared.