008 |
|
121121s1963 njua j 000 0 eng |
020 |
|
|c(hbk.)
|
040 |
|
|aTMUE|beng|cTMUE|dTMUE|eaacr2
|
050 |
0
|
|aQC244|b.W56
|
082 |
|
|a534|bW765
|
100 |
1
|
|aWindle, Eric.
|
245 |
10
|
|aSounds you cannot hear.|cIllustrated by John Kaufmann.
|
260 |
|
|aEnglewood Cliffs, N.J.,|bPrentice-Hall|c[1963]
|
300 |
|
|a69 p.|billus.|c22 cm.
|
490 |
|
|aP-H junior research books.
|
520 |
|
|aExplains the principles of sound, ultrasonic sound, radar, and sonar and discusses how certain birds and fish use ultrasonics to guide them.
|
650 |
0
|
|aUltrasonics|xJuvenile literature.
|
650 |
1
|
|aUltrasonics.
|
650 |
1
|
|aSound.
|
700 |
1
|
|aKaufmann, John,
|