00361pab a2200133 454500008004000000100001800040245006300058260000900121300001400130362000800144650002500152700002000177773003000197180718b2003   xxu||||| |||| 00| 0 eng d  aBruun, Henrik  aAn integrative framework for studying technological change  c2003  ap.95-116.  aFeb  aTechnological change  aHukkinen, Janne  aSocial Studies of Science