000 00455nab a2200145Ia 4500
008 230101s1992 xx 000 0 eng d
100 _aLowwy, Ilana
245 0 _aStrength of loose concepts - Boundary concepts, federative experimental strategies and disciplinary growth
_bThe case of immunology
250 _aVol. 30 Issue 1-4
260 _c1992
300 _a371-396p
310 _aQuaterly
773 _tHistory of Science
_051494
942 _2ddc
_cAR
999 _c81964
_d81964