@proceedings {7364,
	title = {"Energy storage unit using cryogenic liquids for integration in cryocoolers"},
	journal = {ICEC 24},
	year = {2012},
	address = {Fukuoka, Japan},
	author = {J. Afonso and Martins, D and I. Catarino and R. Patr{\'\i}cio and A. Rocaboy and M. Linder and T. Tirolien and G. Bonfait}
}
