01014cam a22002891 4500 2942 2942 2165935 OSt 20190928133624.0 720420s1959 nyua 000 0 eng 59012051 DLC DLC DLC WaU DLC QP469 .G7 534.204 GRI Griffin, Donald R. (Donald Redfield), 1915-2003. Echoes of bats and men. [1st ed.] Garden City, N.Y., Anchor Books, 1959. 156 p. illus. 19 cm. Science study series, S4 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 // Sound-waves. Echolocation (Physiology) Orientation. Bat sounds. 7 cbc orignew u ocip 19 y-gencatlg ddc STS 0 0 ddc 0 0 41/1 AIISH AIISH 2019-09-28 0 534.204 GRI 2637 2019-09-28 00:00:00 2019-09-28 STS