000 00310nam a22000977a 4500
008 230630b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aRepublica argentina : comision nacional de energia atomica
260 _bBuenos Aires
_c1965
942 _cBK
_2udc
999 _c64971
_d64971