@inbook {1552, title = {Determination of rare earth elements in Antarctic lakes and streams of varying ionic strengths}, booktitle = {Plasma Source Mass Spectrometry: Developments and Applications}, year = {1997}, pages = {253-262}, publisher = {Royal Society of Chemistry}, organization = {Royal Society of Chemistry}, address = {London}, keywords = {LTER-MCM}, author = {Graham, E and Ramsey, L. A. and W. Berry Lyons and Kathleen A. Welch} }