Sayre, April Pulley.
Secrets of sound : studying the calls and songs of whales, elephants and birds / April Pulley Sayre. - Boston, US : Houghton Mifflin Company, 2002. - 64 p.
978-0-618-58546-5
Bioacoustics--Juvenile literature.
Animals sounds.
J 599.159 SAY
Secrets of sound : studying the calls and songs of whales, elephants and birds / April Pulley Sayre. - Boston, US : Houghton Mifflin Company, 2002. - 64 p.
978-0-618-58546-5
Bioacoustics--Juvenile literature.
Animals sounds.
J 599.159 SAY