000 00410nam a2200133 4500
008 240910b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a539.124.143=590
_bK5
100 _aUrsu, ioan
245 _aRezonanta electronica de spin
260 _aRomain
_bEditura academiei republichii socialiste romania
_c1965
300 _b412p
942 _cREF
_2udc
999 _c67117
_d67117