000 00307nam a22001217a 4500
999 _c10497
_d10497
082 _a530
100 _aDEESON,Eric
245 _aPhysics and the earth sciences for middle schools
260 _aLondon
_bAssociation for science education
_c1973
300 _avii,93p
500 _ainclude index
942 _cBK