000 00580nam a2200193Ia 4500
005 20250508155001.0
008 008 250505s9999 xx 000 0 eng d
037 _aTextual
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _a500, HEM
_qFEDL
100 _aHempel Carl G
245 0 _aFundamentals of concept formation in empirical science
260 _aChicago, USA
_bThe University of Chicago
_c1952
300 _aiii,93p.
490 _aInternational encyclopedia of unified science
942 _cTEXL
_h500, HEM
999 _c1353279
_d1353279