000 00378pam a2200157a 44500
082 _a534
_bK814s
100 _aKock, Winston E.
245 1 _aSOUND WAVES AND LIGHT WAVES
260 _aGarden City, N. Y.
_bAnchor Books
_c1965
300 _a165
440 _aScience Study Series, S40
_v
650 _aSound Waves
650 _aLight
964 _gCIRC
997 _a71038 C
999 _c429882
_d429882