000 00342nam a2200145Ia 4500
020 _a0719545668
082 _b34
_a530
100 _a"Whelan &Hodgson"
245 0 _aEssential Principle Of Physics
260 _bJohn Murry
_aLONDON
_c1990
300 _a559
944 _cBK
999 _c392764
_d392764