Chemical and biological survey of Liberty Bay, Washington /

Mode of access: Internet.

Toxicity reduction through chemical and biological modification of spent pulp bleaching liquors /

Mode of access: Internet.

Symposium on Chemical and Biological Characterization of Municipal Sludges, Sediments, Dredge Spoils, and Drilling Muds : abstracts, May 20-22, 1986.

Mode of access: Internet.

Strategic implications of chemical and biological warfare : hearing before the Subcommittees on International Security and Scientific Affairs and on Asian and Pacific Affairs of the Committee on Foreign Affairs, Ninety-sixth Congress, second session, April 24, 1980.

Mode of access: Internet.

Chemical and biological surveys of the waters of Illinois.

Issued, 1917- as Bulletin no. 15 of the Division of the State Water Surveys, Dept. of Registration and Education.

Studies on the chemical and biological properties of coumestrol and related compounds

Bibliography: p. 83-95.

Chemical and biological quality of streams at the Indiana Dunes National Lakeshore, Indiana, 1978-80 /

Bibliography: p. 55-57.

Census of manufactures. Drugs-industry statistics. Chemical and allied products; major group 28. Includes: sic code 2831: Biological products; sic code 2833: Medicinals and botonicals; sic code 2834: Pharmaceutical preparations.

Mode of access: Internet.

Chemical constitution and biological activity.

Includes "References."

Scientific materials blue book; equipment and supplies for chemical, metallurgical and biological laboratories

Mode of access: Internet.

Chemical constitution and biological activity

Mode of access: Internet.

Determination whether the causal agent for Mussel die-offs in the Mississippi River is of chemical or biological origin : final report /

"ILENR/RE-WR-90/09."