@article{ELA_2002__9__a12,
     author = {Reams, Robert and Waldron, Shayne},
     title = {Isometric tight frames},
     journal = {The electronic journal of linear algebra},
     pages = {122--128},
     publisher = {mathdoc},
     volume = {9},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2002__9__a12/}
}