Title :
Are Physical Systems Abstract or Concrete?
fDate :
12/1/1962 12:00:00 AM
Keywords :
Bridges; Concrete; Coordinate measuring machines; Current measurement; Nonlinear filters; Pollution measurement; Resistors; Signal processing; Wires; Writing;
Journal_Title :
Circuit Theory, IRE Transactions on
DOI :
10.1109/TCT.1962.1086970
