00338nam a2200121Ia 450000500170000000800410001708200170005810000180007524500610009326000290015430000100018370000230019320260205055448.0260111s9999||||xx |||||||||||||| ||und||  a303.4  P381M  aPenn, Mark J. 0aMicrotrends: the small forces behind today's big changes  aLondonbAllen Lanec2007  a425p.  aZalesne, E.Kinney/