Evaluation of an index of biotic integrity : temporal variability and regional application in the midwest /

Mode of access: Internet.

Membrane filtration /

Mode of access: Internet.

L'aria ancienne : Ida Isori et son art du bel-canto /

Preface dated Sept. 1913.

Environmental pollution control alternatives : municipal wastewater /

Mode of access: Internet.

Revolutionizing science and engineering through cyberinfrastructure : report of the National Science Foundation Blue-Ribbon Advisory Panel on Cyberinfrastructure /

"February 3, 2003."

Intellectual and educational status of the medical profession as represented in the United States army.

Mode of access: Internet.

A Compendium of technologies used in the treatment of hazardous wastes.

Mode of access: Internet.

Protecting health and safety at hazardous waste sites : an overview.

Mode of access: Internet.

Irrigated agriculture and water quality management.

Mode of access: Internet.

Supplemental report for the sperm cell tests using the sea urchin Arbacia punctulata : training videotape /

Mode of access: Internet.

Supplemental report for the sheepshead minnow and inland silverside larval survival and growth toxicity tests : training videotape /

Mode of access: Internet.

Supplemental report for the red algal sexual reproduction test : training videotape /

Mode of access: Internet.

Access to the D. C. Public Library; comments on the methodology and conclusions of the "Access to public libraries" report,

Accompanied by "Distribution and characteristics of D.C. Public Library agencies, a supplement to Access to the D.C. Public Library, by Harry N. Peterson, director, and Catherine M. Houck, deputy director." (1v. illus.) Published: Rev. Washington, 1964.

Improving POTW performance using the composite correction program approach : handbook /

"October 1984."

International directory of soybean entomologists 1984 /

Includes indexes.