http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Metal absorption by Equistetum (Horsetail)
a study of the metal content of horsetail plants as related to the amounts of metals in the soil on which they grew
Study of the metal content of horsetail plants as related to the amounts of metals in the soil on which they grew
1 online resource (iii, 21 pages) : illustrations.
by Helen L. Cannon, Hansford T. Shacklette, and Harry Bastron.
Title from title screen (viewed September 15, 2014).
Includes bibliographical references (pages 20-21).
Contributions to geochemical prospecting for minerals