@inbook { ,
	title = {Numerical implementation and computational results of nonlinear network optimization with linear side constraints},
	booktitle = {System Modelling and Optimization},
	editor = {P. Kall },
	year = {1991},
	publisher = {Springer Verlag},
	keywords = {Nonlinear network flows},
	author = {Heredia, F. J. and Nabona, N.}
}

