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1.
Comparison of various methods for loudness and acceptibility of noise / B. Scharf and R. Hellman by Series: Research and development
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington : United States Environmental Protection Agency, 1979
Availability: Items available for loan: National Library of India (1)Call number: U.S 363.74 Sch 17.

2.
Comparison of various methods for loudness and acceptibility of noise / B. Scharf and R. Hellman by Series: Research and development
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington : United States Environmental Protection Agency, 1979
Availability: Items available for loan: National Library of India (1)Call number: U.S 363.74 Sch 17.

                                                                           
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