00297nam a2200109Ia 4500008004100000082001500041245004300056260003200099300001300131600001900144650002400163130903s9999    xx            000 0 und d  a92:621  L3  aHarry Fergeison; inventor and pioneer.  aLondonbJohn Murraycc 1972  avi,294p.  aFraser, Colia.  aInventors-Biography