000 00410nam a2200169Ia 4500
008 180424s9999 xx 000 0 und d
084 _a338.06 H1
100 _a"Hippel, Eric Ron"
245 0 _aSources of Innovation
250 _a\\198800ENGGPSX
260 _aOxford University Press
260 _b1988
260 _cOxford
300 _a218p
500 _aincludes index and biblioraphy
942 _cBK
999 _c50998
_d50998