High Resolution Atomic Absorption Spectrometry Using an Echelle Grating Monochromator Peter N. Keliher and Charles C. Wohlers pp 682 - 687; DOI: 10.1021/ac60342a011 http://pubs3.acs.org/acs/journals/toc.page?incoden=ancham&indecade=3&involume=46&inissue=6