000 00302nam a2200109Ia 4500
008 211215s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aChaudhury, P. J.
245 0 _aPhilosophy of science
260 _bProgressive publishers
_aCalcutta
_c1955
942 _c1
999 _c41316
_d41316