00353nam a2200121Ia 450000500170000008000190001710000320003624500750006826000390014358300190018294200130020199900170021420260716043533.0  a19.01.05 D4571  aAckoff, Russell L. [et al.]  aDesigning a national scientific and technological communication system  bPennsylvaniaaPhiladelphiaUSc1976  c10/11/04kJOYD  cAmD4571  c49289d49289