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008 230118s9999||||xx |||||||||||||| ||und||
020 _a019567107-4
082 _a530.12
082 _bDIR/T
100 _ap.a.m
_bdirac
245 4 _athe principles of quantum mechanics
260 _anew york
260 _boxford university press
260 _c1958
999 _c2027
_d2027