TY  - BOOK
AU  - Griffin,Donald R.
TI  - Echoes of bats and men
T2  - Science study series, S4
AV  - QP469 .G7
U1  - 534.204 GRI 
PY  - 1959///
CY  - Garden City, N.Y.
PB  - Anchor Books
KW  - Sound-waves
KW  - Echolocation (Physiology)
KW  - Orientation
KW  - Bat sounds
N1  - The science study series // Preface // Voices of experience // Echoes as messengers // Airborne echoes of audible sounds // The language of echoes // Sonar and radar // Suppose you were blind // Further reading // Index
ER  -