00000cam a22000004a 4500 UP-1685675941123791939 Buklod 20071009081040.0 a r |||| u| ta 691120s1969 nyua jr |001 0|eng d (iLib)UPTAC-00000008742 UPVTC eng TD 892 N38 Navarra, John Gabriel. Our noisy world. [1st ed.]. Garden City, N.Y. Doubleday [1969] 208 p. illus. 25 cm. Discusses the physics of sound, the human hearing mechanism, and the modern problem of noise pollution, explaining both the beneficial and harmful effects of noise and suggesting some solutions to the noise problem. Noise. FO UPTAC UPTAC TD 892 N38 Book