Vinutha Ram Nicholas V. Findler Raphael M. Malyankar Models of and Experiments with E-Markets for Electric Utilities. 61-89 2003 12 Int. J. Cooperative Inf. Syst. 1 http://dx.doi.org/10.1142/S0218843003000668 db/journals/ijcis/ijcis12.html#RamFM03