000 00346nab a2200145Ia 4500
008 230101s1982 xx 000 0 eng d
100 _aMartin, R. Niall D.
245 0 _aDarwin and duhem
250 _aVol. 20 Issue 1-4
260 _c1982
300 _a64-75p
310 _aQuaterly
773 _tHistory of Science
_051494
942 _2ddc
_cAR
999 _c83049
_d83049