NEF system user's manual
By: prepared by Aeronautical Planning and Development Division, Civil Aeronautics, Transport Canada.
Publisher: Transport Canada, Air, Civil Aeronautics
Published: 1977
Place of publication: [Ottawa]
Language: eng
Number of pages: 55
Subjects: Airport noise -- Canada -- Data processing.; Airport noise -- Canada -- Computer programs.
Other titles: Noise Exposure Forecast system user's manual
Notes: "R-77-1."

"February 1977."