естественные науки

механика

Provides a summary of current research results on the physiological and psychological effects of sound on people Covers how the operation of the hearing mechanism affects our reactions to sounds Includes research results from studies on noise sources of public concern such as transportation, public utility, and recreational sources, with emphasis on low frequency sound and infrasound Covers sounds that affect some but not others, how sounds can be controlled on a practical level, and how and what sounds are regulated Includes coverage of both positive and negative effects of sound 


сказки

красочные иллюстрации

семейное чтение

устное народное творчество

сказки народов мира

сказочные приключения

The Effects of Sound on People

Без серии

James P. Cowan