Calculations of day-night levels (Ldn) resulting from civil aircraft operations
Contributors: Bolt, Beranek, and Newman, inc
Series: EPA ; 550/9-77-450
Publisher: Environmental Protection Agency, Office of Noise Abatement and Control
Published: 1977
Place of publication: [Wsahington]
Language: eng
Number of pages: 370
Subjects: Airplanes -- Noise -- Handbooks, manuals, etc; Aeronautics, Commercial -- Statistics -- Handbooks, manuals, etc
Notes: Prepared by Bolt Beranek & Newman, Inc. under contract no. 68-01-3218

Includes appendices and index

Bibliography: p. 71