Multicolor.

Title from cover.

GE core engine noise investigation - low emission engines /

Mode of access: Internet.

Noise emission measurements for regulatory purposes /

Mode of access: Internet.

Turbine engine particulate emission characterization /

Mode of access: Internet.

Research in field emission and its application; final report for the period 5 November 1948 to 30 April 1957, Project N8onr-72401, Authority NR 072-171. W. P. Dyke, chief scientist.

Mode of access: Internet.

Investigation of solid surfaces by field emission microscopy and mass spectrometry; final report.

"Contract no. AF 49 (638)-748. Division file 30-4. AFOSR-2273."

Solar radio emission; spectral observations in the decameter range, 24 July 1959-28 February 1961.

Cover title.

Study of infrared emission in heated air; annual report, July 1960-June 1961,

"This report covers work performed under Bendix Aviation Corporation Purchase Order C 303681 G, Subcontract SD-59-2 under Army Ordnance Prime DA-11-022-ORD-3130."

National emission standards study : report : appendix : a report to the Congress of the United States by the Secretary of Health, Education, and Welfare, in compliance with Public Law 90-148 : Clean Air Act, as amended.

Includes bibliographies.

Du Change et de la liberté d'emission /

Mode of access: Internet.

A report on the status of the Vehicle Emission Test Program, January 1, 1990- December 31, 1990.

"April 1991." -- Cover.

An analysis of the low emission vehicle program in Illinois /

Cover title.

Economic impact of changing the carbon monoxide emission limitations for steel mills, R78-1 /

Includes bibliographical references.

Economic impact of the proposed change in the hydrocarbon emission limitation for petrochemical manufacturing processes (R77-3) /

Project no. 10.065.

Emission reduction banking experience in the United States and its applicability to Illinois /

Project no. 83/7011.