000 00299nam a2200109Ia 4500
008 160710s1959 xx 000 0 und d
082 _a530.1 SUM
245 _aSTUDIES IN THEORETICAL PHYSICS
260 _bMINISTRY OF SCIENTIFIC RESEARCH AND CULTURAL AFFAIRS
_c1959
300 _a185
942 _2ddc
_cB
999 _c30783
_d30783