Echoes /

Describes the basic characteristics of echoes and how, by studying them, man has gained valuable information about the nature of sonar exploration and navigation.

Bibliographic Details

Main Author:	Hunt, Bernice Kohn
Other Authors:	Connor, Dan
Format:	Book
Language:	English
Published:	New York : Dandelion Press, 1979.
Series:	Dandelion books.
Subjects:	Echo > Juvenile literature. Echo.