000 00314nam a2200121Ia 4500
005 20251007104523.0
008 251006s9999 xx 000 0 und d
100 _aal-shalchy,bahijah mehdi
245 0 _atheoretical studis of surface states on wide-
260 _a1st ed. | Baghdad
260 _c1974
942 _cBOK
999 _c8983
_d8983