academic article

• Elemental signatures in otoliths of larval walleye pollock (Theragra chalcogramma) from the northeast Pacific Ocean.  Fishery bulletin (Washington, D.C. : 1971).  2004
• Comparison of accuracy, precision, and sensitivity in elemental assays of fish otoliths using the electron microprobe, proton-induced X-ray emission, and laser ablation inductively coupled plasma mass spectrometry.  Canadian Journal of Fisheries and Aquatic Sciences.  54:2068-2079. 1997