000 00489nam a2200181Ia 4500
003 3228
005 20261021090643.0
008 210816s9999 xx 000 0 und d
015 _qhardcover
020 _a9780766034167"
040 _aRDA
_c3228
082 _aJ 507.8 GARD
100 _aLight ,Sound and waves
_917763
245 0 _aLight, sound , and waves : science fair projects
260 _aUSA
_bEnslow Publishers
_c2010
300 _a160 pages
_bcol.ill.
_c24 cm
942 _cBK
_2ddc
_y19980
_zhlophe mtsweni
999 _c83047
_d83045