Acute and chronic toxicity of HCN to fish and invertebrates /

"January 1979."

Commentary on interstellar matter associated with 18 open clusters /

"September 1989"--Cover.

United States historical climatology network (HCN) serial temperature and precipitation data /

Twenty-eight microfiches (11 x 15 cm.) in pocket mounted on cover p. [3]. Header title: Historical climate network--temperature and precipitation data plots.

Cobalt nitrate-ascorbic acid combination as an antidote in HCN poisoning,

Mode of access: Internet.

A new general catalogue of nebulae and clusters of stars, being the catalogue of the late Sir John F.W. Herschel.

Mode of access: Internet.

Uranography ; or, a description of the heavens; designed for academies and schools; accompanied by an atlas of the heavens, showing the places of the principal stars, clusters, and nebulæ /

Mode of access: Internet.