@article {596,
	title = {Scale-Invariant Subspace Detectors based on First and Second-Order Statistical Models},
	journal = {IEEE Transactions on Signal Processing},
	volume = {68},
	year = {2020},
	pages = {6432-6443},
	doi = {10.1109/TSP.2020.3036725},
	author = {Santamar{\'\i}a, Ignacio and Louis L. Scharf and Ram{\'\i}rez, David}
}
