000 00338nam a2200145Ia 4500
020 _a0582054168
082 _b53
_a530
100 _a"M. Nelkon"
245 0 _aPrinciples of physics
260 _bHarlow, Essex : Longman, 1990.
_c1951
300 _a624
944 _cTR
999 _c599404
_d599404