@book{54771,
	author = {Riste T Ed. and Nato advanced study institute on nonlinear phenomenta at phase transitions and instabilities (1981 : Gielo)},
	title = {Proceeding on Nonlinear phenomena at phase transitions and instabilities},
	publisher = { Plenum        },
	year = {1982},
	series = {NATO advanced study institute series, series B, Physics; 77},
	address = {New York    }
}