Effect of chlorination on human enteric viruses in partially treated water from the Potomac River estuary : study report /

At head of cover title: Northeastern United States Water Supply Study.

The removal of metals and viruses in advanced wastewater treatment sequences /

Mode of access: Internet.

Effect of particulates on ozone disinfection of bacteria and viruses in water /

Mode of access: Internet.

Molecular biology of bacterial viruses /

Bibliography: p. 429-465.

Wavelength dependence of ultraviolet-enhanced reactivation and induction of mammalian viruses /

Mode of access: Internet.

Regulations for the sale of viruses, serums, toxins, and analogous products in the District of Columbia, etc., approved Feb. 21, 1903.

At head of title: Treasury Department, U. S. Public Health and Marine-Hospital Service.

Rules and regulations relating to viruses, serums, toxins and analogous products, and to certain organisms and vectors, effective March 1, 1949.

Mode of access: Internet.

Proceedings of the Conference on the Relation of Birds to Arthropod-borne Viruses : Atlanta, Ga., Feb. 16 & 17, 1962.

Mimeographed.

The leafhopper vectors of phytopathogenic viruses (Homoptera, Cicadellidae); taxonomy, biology, and virus transmission,

Bibliography: p. 318-368.