000 00363nam a2200157Ia 4500
008 160615s9999 xx 000 0 und d
100 _aMEZENTSEV(V)
245 _aIn the world of isotopes
260 _aMoscow
260 _bForeign Languages Publishing House
260 _c1959
300 _a51 p.
942 _cBooks
999 _c4236
_d4236