@article {138,
	title = {Parametrization of the angular correlation and degree of linear polarization in two-photon decays of hydrogenlike ions},
	volume = {86},
	number = {4},
	year = {2012},
	month = {Oct},
	url = {http://link.aps.org/doi/10.1103/PhysRevA.86.042509},
	author = {Amaro, P and Fratini, F. and Fritzsche, S. and Indelicato, P. and Santos, J. and Surzhykov, A.}
}
