Welcome to P K Kelkar Library, Online Public Access Catalogue (OPAC)

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1. ACCEPTABILITY OF VTOL AIRCRAFT NOISE DETERMINED BY ABSOLUTE SUBJECTIVE TESTING[NASA CR-2043]

by Sternfeld, Harry | Hinterkeuser, Ernest G | Heckman, Roy B | Davis, Jerry.

Material type: book Book; Format: print ; Literary form: not fiction Description: vi, 84p.Publisher: Washington, D. C. NASA 1972Availability: Items available for reference: PK Kelkar Library, IIT Kanpur [Call number: NASA CR-2043 ] (1).

2. A study of the effect of flight density and background noise on V/Stol acceptability

by Harry Sternfeld.

Material type: book Book Publisher: Availability: Items available for reference: PK Kelkar Library, IIT Kanpur [Call number: TR CR-2197] (1).

3. Study of the effect of flight density and background noise on V/STOL acceptability [NASA CR-2197]

by Sternfeld, Harry.

Material type: book Book Description: vii, 77p.Publisher: Washington, DC National Aeronautics and Space Administration [NASA] 1974Availability: Items available for reference: PK Kelkar Library, IIT Kanpur (1).

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