000 00344nam a2200145Ia 4500
020 _a9971-4-0649-7
082 _b897
_a530
100 _a"Portch J.V"
245 0 _aComprehensive Physics
260 _bFederal Publications
_aSingapore
_c1983
300 _a171
944 _cTR
999 _c697936
_d697936