Hale, L.F. & Dudgeon, J.V. & Mason, A.Z. & Lowe, C.G. (2006)
Elemental signatures in the vertebral cartilage of the round stingray, Urobatis halleri, from Seal Beach, California. Environmental Biology of Fishes, 77(3–4), 317–325
DOI: 10.1007/s10641-006-9124-2

Hale, L.F. & Dudgeon, J.V. & Mason, A.Z. & Lowe, C.G. (2005)
Elemental signatures in vertebral cartilage of the round stingray, Urobatis halleri, from Seal Beach, California [Abstract]. American Elasmobranch Society 21th Annual Meeting, Tampa, Florida