00324    a2200121   4500082001500000100002200015245004800037250001200085260004200097300001900139650002200158700002200180  a500.2bPOP  aPoppy, Willard J.  a Teacher's manual for the physical sciences  a5th ed.  aNew JerseybPrentice Hallc1969g1969  aiv,155p.c23cm  aPhysical sciences  aWilson, Leland L.