Selenium removal from ground water using activated alumina /

Mode of access: Internet.

Toxicological profile for selenium /

"This toxicological profile is prepared in accordance with guidelines developed by the Agency for Toxic Substances and Disease Registry (ATSDR) and the Environmental Protection Agency (EPA). The original guidelines were published in the Federal Register on April 17, 1987"--P. v.

Development of a digital model of ground-water flow in deeply weathered crystalline rock, Chester County, Pennsylvania /

"August 1980."

The pressure effect in selenium crystals and its relation to the light effect,

Thesis (Ph. D.)--University of Iowa, 1916.

Drinking-water quality and variations in water levels in the fractured crystalline-rock aquifer, west-central Jefferson County, Colorado /

Mode of access: Internet.

The secret of pictorial art, or, Self-instructor in painting on glass, china, satin and paper : it teaches the oil photo-miniature, Grecian oil, antique, oriental, crystal and pastel paintings, crystalline, decalcomanie and diaphanie transferring /

Includes index.

The crystalline structures of sputtered and evaporated metallic films,

"Reprinted from the Physical review, n. s., vol 18, no. 3, September, 1921."

Selenium cells;

Mode of access: Internet.