00293pab a2200121 454500008004000000100002100040245003500061260000900096300001300105362000800118650002500126773002000151180718b2002   xxu||||| |||| 00| 0 eng d  aMisra, Prabhakar  aManagement of technical change  c2002  ap.19-23.  aMar  aTechnological change  aGIS Development