000 00237 a2200097 4500
001 18479
100 _aMachlup F
245 _aProduction and distribution of knowledge
260 _a
_bPrinceton University
_c1967
090 _c13716
_d13716
942 _aNUST-CAE
_cM
_c4132
999 _c253552
_d253552