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035 _a9242
041 _aFRE
082 _a500
100 _aKuratowski, K
245 0 _aBulletin de l'academie polonaise des sciences
260 _bVarsovie
_c1974
490 _a22
505 _aBiology; Life Sciences; Biological Research; Bulletin De L'Academie Polonaise Des Sciences
650 _aBiology
_bPolish Academy of Sciences | Science--Poland--Bulletin
942 _cBV
999 _c9240
_d9240