000 00239nam a2200109Ia 4500
082 _a530 NEL
100 _aNELKON, M. AND PARKER
245 _aADVANCED LEVEL PHYSICS
260 _bARNOLD HEINEMANN
_c1979
300 _a1014
942 _2ddc
_cB
999 _c42763
_d42763