%0 Journal Article %A Miguel Heleno %A Manuel A Matos %A J A.Pecas Lopes %B IEEE Transactions on Smart Grid %D 2015 %G eng %N 2 %P 667 - 674 %R 10.1109/TSG.2014.2368360 %T Availability and Flexibility of Loads for the Provision of Reserve %V 6 %8 03/2015 %! IEEE Trans. Smart Grid